Quantrex Academy Quantrex AcademyPYQs with solutions · JEE · NEET · NDA

Home · JEE Main & Advanced · Physics · Work and Energy

Work and Energy — JEE Main & Advanced Physics PYQs

119 previous year questions from Work and Energy with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

119 questionsPhysicsSolutions on every page
1

A block of mass 2.00 kg travelling at a speed of 10.0 m/s accelerates at 3.00 m/s ^2 for 5.00 s . Determine its final kinetic energy.

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 2

A box is pushed a distance of 4.0 m across a floor which offers a resistance of 100 N . What is the work done by the resisting force?

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 3

The combined mass of a cyclist and the bike is 90 kg . Determine the increase in kinetic energy when the speed increases from 6.0 km/h to 12 km/h .

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 4

A block of mass 5.0 kg slides down an incline having an inclination of 30^ and a length of 10 m . Determine the work done by the force of gravity.

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 5

A stationary particle of mass 15 g is accelerated by a constant force of 2.50 N over a displacement of 2.50 m . Determine the work done and the average power delivered.

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 6

A particle travels from a position r ₁ = (2 m ) i + (3 m ) j to a new position r ₂ = (3 m ) i + (2 m ) j while experiencing a force F = (5 N ) i + (5 N ) j . Determine the work don

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 7

A man travels along a straight horizontal road carrying a block of mass 2 kg in his hand. If he covers a distance of 40 m with an acceleration of 0.5 m/s ^2 , determine the work do

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 8

A particle is acted upon by a force F = a + bx in the x -direction, where a and b are constants. Determine the work done by this force during a displacement from x = 0 to x = d .

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 9

A block of mass 250 g slides down an incline of inclination 37^ at a uniform speed. Determine the work done against friction as the block covers a distance of 1.0 m .

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 10

A block of mass m is positioned on another block of mass M , and the two-block system rests on a horizontal surface. When a constant horizontal force F is applied to the lower bloc

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 11

A block of mass m is placed upon another block of mass M , and the system rests on a horizontal surface as depicted in the figure. A constant horizontal force F exerted on the lowe

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 12

A block of mass m sits on top of another block of mass M , and the entire system rests on a horizontal surface. A constant horizontal force F acting on the lower block results in a

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 13

A box weighing 2000 N is to be slowly slid a distance of 20 m along a straight track. The coefficient of friction between the box and the track is 0.2 . Determine the work done by

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 14

A box weighing 2000 N is to be slowly slid a distance of 20 m along a straight track. The coefficient of friction between the box and the track is 0.2 . A person pulls the box usin

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 15

A person slowly slides a block of weight 100 N up a smooth incline of inclination 37^ . If the driving force is applied parallel to the incline, determine the work done by the pers

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 16

A person slowly slides a block of weight 100 N up a smooth incline of inclination 37^ . If the driving force is applied in the horizontal direction, determine the work done by the

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 17

Determine the average frictional force required to bring a car weighing 500 kg to a halt over a distance of 25 m , given that its initial speed is 72 km/h .

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 18

Determine the average force required to accelerate a 500 kg car from rest to 72 km/h over a distance of 25 m .

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 19

A particle of mass m travels on a straight line, with its velocity varying with the distance travelled according to the equation v = a x , where a is a constant. Determine the tota

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 20

A block of mass 2.0 kg initially at rest on an inclined plane of inclination 37^ is pulled up the plane by a constant force of 20 N applied parallel to the incline. The force acts

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 21

A block of mass 2.0 kg initially at rest on an inclined plane of inclination 37^ is pulled up the plane by a constant force of 20 N applied parallel to the incline. The force acts

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 22

A block of mass 2.0 kg initially at rest on an inclined plane of inclination 37^ is pulled up the plane by a constant force of 20 N applied parallel to the incline. The force acts

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 23

A block of mass 2.0 kg is pushed down an inclined plane of inclination 37^ by a 20 N force acting parallel to the incline. It is observed that the block travels on the incline with

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 24

A block of mass 2.0 kg is pushed down an inclined plane of inclination 37^ by a 20 N force acting parallel to the incline. It is observed that the block travels on the incline with

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 25

A block of mass 2.0 kg is pushed down an inclined plane of inclination 37^ by a 20 N force acting parallel to the incline. It is observed that the block travels on the incline with

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 26

A 250 g block slides on a rough horizontal table. Determine the work done by the frictional force in bringing the block to rest if it is initially travelling at a speed of 40 cm/s

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 27

Water descending from a 50 m high fall is utilized to generate electric energy. If 1.8 10^5 kg of water falls per hour and half of the gravitational potential energy can be convert

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 28

While painting the walls of his house, a person stands on a ladder holding a bucket containing paint in one hand and a brush in the other. Suddenly, the bucket slips from his grasp

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 29

A projectile is launched from the top of a 40 m high cliff with an initial speed of 50 m/s at an unspecified angle. Determine its speed upon striking the ground.

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 30

The 200 m free style women's swimming gold medal at the Asian Games went to Priya of India when she established a new record of 1 minute and 57.56 seconds. Assuming she completed t

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 31

The athlete Emily Davis won the 100 m sprint gold medal at London Olympic 2012 setting a new Olympic record of 10.54 s . Assume that she achieved her maximum speed in a very short

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 32

The athlete Emily Davis won the 100 m sprint gold medal at London Olympic 2012 setting a new Olympic record of 10.54 s . Assume that she achieved her maximum speed in a very short

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 33

The athlete Emily Davis won the 100 m sprint gold medal at London Olympic 2012 setting a new Olympic record of 10.54 s . Assume that she achieved her maximum speed in a very short

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 34

A water pump extracts water from a depth 10 m below the ground. The water is pumped up at a rate of 30 kg/minute with negligible velocity. Determine the minimum horsepower the engi

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 35

An agitated protester lifts a stone of mass 200 g from the ground and throws it at an opponent. At the instant of projection, the stone is 150 cm above the ground and possesses a s

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 36

A factory requires an engine to lift 2000 kg of metal through a distance of 12 m in 1 minute. Determine the minimum horsepower of the engine needed for this task.

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 37

A scooter company provides the following specifications for its product: Weight of the scooter — 95 kg Maximum speed — 60 km/h Maximum engine power — 3.5 hp Pick up time to reach t

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 38

A block of mass 30.0 kg is lowered by a chain. Determine the work done by the chain if the block acquires a speed of 40.0 cm/s after dropping down a distance of 2.00 m . (Take g =

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 39

In an Atwood machine, the heavier block has a mass twice that of the lighter block. When the system is released from rest, the tension in the string is 16.0 N . Determine the decre

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 40

An Atwood machine has two blocks of masses 2.0 kg and 3.0 kg . Determine the work done by gravity during the fourth second after releasing the system from rest.

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 41

Observe the setup illustrated in the figure. The system is released from rest, and the block of mass 1.0 kg is observed to possess a speed of 0.3 m/s after it has descended through

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 42

In a vertical plane, a closed circular tube of radius 10 cm contains a block of mass 100 g that just fits inside its cross-section. The block is propelled with a speed of 5.0 m/s a

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 43

A car weighing 1400 kg is travelling up a hill at a speed of 54 km/h when its motor stops. If it is just able to reach the destination which is at a height of 10 m above the point,

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 44

A small block of mass 200 g is situated at the top of a frictionless incline which is 10 m long and 3.2 m high. Determine the work required to lift the block from the ground and pl

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 45

A small block of mass 200 g is situated at the top of a frictionless incline which is 10 m long and 3.2 m high. Calculate the work required to slide the block up the incline. Take

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 46

A small block of mass 200 g is situated at the top of a frictionless incline which is 10 m long and 3.2 m high. Determine the speed of the block when it reaches the ground if it fa

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 47

A small block of mass 200 g is situated at the top of a frictionless incline which is 10 m long and 3.2 m high. Calculate the speed of the block when it reaches the ground if it sl

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 48

A slide in a park possesses a total length of 10 ext m and a height of 8.0 ext m , as shown in the figure. A vertical ladder is provided to reach the top. A boy weighing 200 ext N

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 49

A slide in a park possesses a total length of 10 ext m and a height of 8.0 ext m . A vertical ladder is provided to reach the top. A boy weighing 200 ext N ascends the ladder to th

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 50

A slide in a park possesses a total length of 10 ext m and a height of 8.0 ext m . A vertical ladder is provided to reach the top. A boy weighing 200 ext N ascends the ladder to th

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 51

As depicted in the figure, a particle slides on a frictionless track that terminates in a straight horizontal section. If the particle begins slipping from point A, determine how f

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 52

As shown in the figure, a block weighing 10 N travels down a smooth curved track AB connected to a rough horizontal surface. The coefficient of friction between the block and the r

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 53

A uniform chain having length L and mass M overhangs a horizontal table such that two-thirds of its length rests on the table. The friction coefficient between the table and the ch

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 54

A uniform chain of mass m and length l overhangs a table with two-thirds of its length resting on the table. Determine the work to be done by a person to put the hanging portion ba

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 55

A block of mass 1 kg is positioned at point A on a rough track, as shown in the figure. When given a slight push to the right, it comes to rest at point B on the track. Determine t

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 56

A block of mass 5.0 kg is suspended from the end of a vertical spring, which stretches by 10 cm under the load of the block. The block is delivered a sharp impulse from below, acqu

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 57

A block of mass 250 g is placed on a vertical spring with a spring constant of 100 N/m that is fixed from below. The spring is compressed so its length is 10 cm less than its natur

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 58

As shown in the figure, a spring is fixed at the bottom end of an incline of inclination 37^ . A small block of mass 2 kg begins slipping down the incline from a point 4.8 m away f

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 59

A spring is fixed at the bottom end of an incline of inclination 37^ . A small block of mass 2 kg begins slipping down the incline from a point 4.8 m away from the spring. The bloc

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 60

A block of mass m travelling at a speed v compresses a spring by a distance x before its speed reduces to half. Determine the spring constant of the spring.

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 61

In the arrangement depicted in the figure, the system is released from rest while the spring is initially unstretched. Assuming the pulley is frictionless, determine the maximum el

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 62

As shown in the figure, a block of mass m is connected to two unstretched springs having spring constants k₁ and k₂ . The block is displaced towards the right by a distance x and s

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 63

As shown in the figure, a block of mass m is sliding with a velocity v across a smooth horizontal surface when it encounters a long horizontal spring. The spring has a spring const

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 64

A small block of mass 100 g is pushed against a horizontal spring fixed at one end, compressing the spring by 5.0 cm as shown in the figure. The spring constant is 100 N/m . Upon r

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 65

Consider a light rod of length l with its upper end clamped such that it is free to rotate. A small heavy block is attached to its lower end. What is the minimum horizontal velocit

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 66

As shown in the figure, two blocks A and B , each having a mass of 320 g , are connected by a light string passing over a smooth light pulley. The horizontal surface on which block

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 67

A light rod of length l is rigidly attached to a small heavy block at one end and a hook at the other end, as shown in the figure. The system is released from rest while the rod is

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 68

The bob of mass m of a resting pendulum is given a sharp hit, imparting a horizontal velocity of 10 ,gl , where l represents the pendulum's length. Determine the tension in the str

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 69

The bob of mass m of a resting pendulum is given a sharp hit, imparting a horizontal velocity of 10 ,gl , where l represents the pendulum's length. Determine the tension in the str

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 70

A spring with natural length h and spring constant k has one end fixed to the ground. The opposite end is connected to a smooth ring of mass m that can slide along a fixed horizont

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 71

The bob of mass m of a resting pendulum is given a sharp hit, imparting a horizontal velocity of 10 ,gl , where l represents the pendulum's length. Determine the tension in the str

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 72

A simple pendulum consists of a 50 cm long string attached to a 100 g ball. The ball is drawn aside until the string forms an angle of 37^ with the vertical, and is subsequently re

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 73

As shown in the figure, a smooth track includes a circular section of radius R . A block of mass m is pushed against a spring having a spring constant k , which is fixed at its lef

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 74

The bob of a stationary pendulum receives a sharp hit, imparting to it a horizontal speed of 3gl . Determine the angle rotated by the string before it becomes slack.

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 75

Suspended by a 1.5 m long string, a heavy particle is given a horizontal velocity of 57 m/s . Determine the angle made by the string with the upward vertical when the string become

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 76

A heavy particle, suspended by a 1.5 m long string, is imparted a horizontal velocity of 57 m/s . Calculate the speed of the particle at the instant the string becomes slack. Take

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 77

Suspended by a 1.5 m long string, a heavy particle is given an initial horizontal velocity of 57 m/s . Determine the maximum height reached by the particle above the point of suspe

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 78

A simple pendulum of length L with a bob of mass m is deflected from its rest position by an angle heta and released, as shown in the figure. The string encounters a peg fixed at a

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 79

A simple pendulum of length L with a bob of mass m is deflected from its equilibrium position by an angle heta = 90^ and released. The string strikes a peg fixed at a distance x =

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 80

A simple pendulum of length L with a bob of mass m is displaced from its rest position by an angle heta = 90^ and released. The string hits a peg located at a distance x below the

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 81

Starting from the highest point, a particle slides down the surface of a fixed smooth sphere. Determine the angle swept by the radius drawn to the particle at the instant it loses

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 82

A particle of mass m is placed on a fixed, smooth sphere of radius R at a position where the radius passing through the particle makes an angle of 30^ with the vertical. The partic

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 83

A particle of mass m is placed on a fixed, smooth sphere of radius R at a position where the radius passing through the particle makes an angle of 30^ with the vertical. The partic

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 84

A particle of mass m rests at the top of a smooth sphere of radius R . A sharp impulse is applied, providing the particle with a horizontal speed v . Find the normal force exerted

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 85

The figure shows a smooth track which consists of a straight inclined part of length l joining smoothly with the circular part. A particle of mass m is projected up the incline fro

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 86

A chain having mass m and length l rests on the surface of a smooth sphere of radius R > l . One end of the chain is fastened to the top of the sphere. Determine the gravitational

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 87

A chain having mass m and length l rests on the surface of a smooth sphere of radius R > l . One end of the chain is fastened to the top of the sphere. Assume the chain is released

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 88

A chain having mass m and length l rests on the surface of a smooth sphere of radius R > l . One end of the chain is fastened to the top of the sphere. Determine the tangential acc

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 89

A smooth sphere of radius R is forced to translate along a straight line with a constant acceleration a . A particle placed on the top of the sphere is released from rest relative

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 90

For a two-particle system, which of the following quantities depends exclusively on the separation between the two particles?

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 91

A spring with spring constant k has two equal masses attached to its ends. The masses are pulled outward symmetrically, stretching the spring by a length x beyond its natural lengt

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 92

For a system, the work done by all forces (both internal and external) is equal to the change in its

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 93

The negative of the work done on a system by conservative internal forces equals the change in

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 94

A heavy stone is thrown with a speed v from a cliff of height h . The stone will strike the ground with maximum speed if it is thrown

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 95

A small block of mass m is placed on a rough inclined surface of inclination heta fixed inside an elevator. The elevator ascends with a uniform velocity v and the block does not sl

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 96

Two springs A and B , having spring constants related by k_A = 2k_B , are stretched using forces of equal magnitudes at the four ends. If spring A stores an energy E , the energy s

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 97

A block of mass m is sliding down a smooth vertical circular track. During this motion, the block is in

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 98

The work done on a system by external forces is equal to the change in its

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 99

A particle is connected to a string of length l and rotated in a vertical circle, with the string's other end held fixed. To ensure the particle completes the circle, its minimum s

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 100

A heavy stone is projected from a cliff of height h in a specified direction. The speed at which it strikes the ground

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 101

Two observers are moving relative to one another at a speed v along a straight line. They watch a block of mass m travelling a distance l over a rough surface. Which of the followi

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 102

A person lifts a suitcase from the floor and places it on a table. The work done by the person on the suitcase does not depend on

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 103

Zero work is performed by a force on an object if

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 104

A particle is subjected to a force of constant magnitude that is always perpendicular to its velocity. The motion of the particle occurs in a plane. It then follows that

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 105

The total work performed on a particle is equal to the change in its kinetic energy

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 106

A particle of mass m is tied to a light string of length l having its other end fixed. The string is initially held horizontal, and the particle is projected with an upward velocit

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 107

The kinetic energy of a particle increases continuously over time.

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 108

A light spring with spring constant k has one end attached to a wall and the other end connected to a block resting on a smooth horizontal surface. During a displacement, the work

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 109

A block of mass M is suspended over a smooth and light pulley via a light string. A constant force F pulls the other end of the string. Over a duration of 1 ext s , the kinetic ene

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 110

A heavy stone is projected from a cliff of height h in a specified direction. The speed at which it strikes the ground

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 111

A particle of mass m is tied to a light string of length l having its other end fixed. The string is initially held horizontal, and the particle is projected with an upward velocit

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 112

Zero work is performed by a force on an object if

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 113

The total work performed on a particle is equal to the change in its kinetic energy

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 114

A person lifts a suitcase from the floor and places it on a table. The work done by the person on the suitcase does not depend on

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 115

Two observers are moving relative to one another at a speed v along a straight line. They watch a block of mass m travelling a distance l over a rough surface. Which of the followi

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 116

A particle is subjected to a force of constant magnitude that is always perpendicular to its velocity. The motion of the particle occurs in a plane. It then follows that

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 117

A light spring with spring constant k has one end attached to a wall and the other end connected to a block resting on a smooth horizontal surface. During a displacement, the work

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 118

A block of mass M is suspended over a smooth and light pulley via a light string. A constant force F pulls the other end of the string. Over a duration of 1 ext s , the kinetic ene

Concepts Of Physics MCQ Edition [Volume 1] Solution View → 119

The kinetic energy of a particle increases continuously over time.

Concepts Of Physics MCQ Edition [Volume 1] Solution View →
Practice all Work and Energy questions in the app →