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Laws of Motion — BITSAT Physics PYQs

32 previous year questions from Laws of Motion with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

32 questionsPhysicsSolutions on every page
1

A light string passing over a smooth light pulley connects two blocks of masses m ₁ and m ₂ (where m₂ m₁ ). If the acceleration of the system is g 2 , then the ratio of the masses

BITSAT 2024 Solution View → 2

A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of 60^ by a force of 10 N parallel to the inclined surface as shown in figure. When the block is push

BITSAT 2024 Solution View → 3

A person of mass 60 kg is inside a lift of mass 940 kg and presses the button on control panel. The lift starts moving upwards with an acceleration 1.0 ~m / s ^2 . If g =10 ~ms ⁻²

BITSAT 2024 Solution View → 4

At any instant the velocity of a particle of mass 500 ~g is (2 t i +3 t^2 j ) ms ⁻¹ . If the force acting on the particle at t=1 s is ( i +x j ) N . Then the value of x will be:

BITSAT 2023 Solution View → 5

In the diagram shown below, both the strings A B and C D are made of same material and have same cross-section. The pulleys are light and fictionless. If the speed of wave in strin

BITSAT 2022 Solution View → 6

What will be the acceleration due to gravity at a depth d , where g is acceleration due to gravity on the surface of earth?

BITSAT 2022 Solution View → 7

A particle of mass m is projected with velocity v at an angle with the horizontal. At its highest point, it explodes into two pieces of equal mass, one of the piece continue to mov

BITSAT 2022 Solution View → 8

A body of weight 2 ~kg is suspended as shown in the figure. The tension T ₁ in the horizontal string (in kg wt ) is

BITSAT 2021 Solution View → 9

A ball of mass 0.2 ~kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 ~m while applying the force and the ball goes upto 2 ~m height further, find

BITSAT 2021 Solution View → 10

The upper half of an inclined plane with inclination is perfectlysmooth while the lower halfis rough. A body starting from rest at the top will again come to rest at the bottom if

BITSAT 2020 Solution View → 11

The coefficient of friction between the rubber tyres and the road wayis 0.25 . The maximum speed with which a car can be driven round a curve of radius 20 ~m without skidding is (

BITSAT 2020 Solution View → 12

A body of mass 2 ~kg is placed on a horizontal surface having kinetic friction 0.4 and static friction 0.5 . If the force applied on the body is 2.5 ~N , then the frictional force

BITSAT 2020 Solution View → 13

A body of mass m is moving in a straight line with momentum p . Starting at time t = 0 , a force F = a t acts in the same direction on the moving particle during time interval of T

BITSAT 2019 Solution View → 14

A maximum of 3 N force can be applied on a block, down the incline, that would still not move the block which is placed on a rough inclined plane as shown in the figure. The maximu

BITSAT 2019 Solution View → 15

The force on a body of mass 1 kg is 20 i ^ + 10 j ^ N . If it starts from rest, then the position of the body at time t = 2 s , is

BITSAT 2019 Solution View → 16

An automobile moving with a speed of 36 km h - 1 reaches an upward inclined road of angle 30 ° , its engine becomes switch off. If the coefficient of friction is 0 . 1 , then

BITSAT 2018 Solution View → 17

An object takes n times as much time to slide down a 45 ° rough inclined plane as it takes to slide down a perfectly smooth 45 ° inclined plane. The coefficient of kineti

BITSAT 2018 Solution View → 18

Two blocks A and B are placed one over the other on a smooth horizontal surface. The maximum horizontal force that can be applied on lower block A , so that A and B move without se

BITSAT 2017 Solution View → 19

A block A of mass 100 kg rests on another block B of mass 200 kg and is tied to a wall as shown in the figure. The coefficient of friction between A and B is 0 . 2 and that between

BITSAT 2017 Solution View → 20

Block A of mass m and block B of mass 2 ~m are placed on a fixed triangular wedge by means of a massless, inextensible string and a frictionless pulley as shown in figure. The wedg

BITSAT 2016 Solution View → 21

A frictionless wire AB is fixed on a sphere of radius R . A very small spherical ball slips on this wire. The time taken by this ball to slip from A to B is

BITSAT 2016 Solution View → 22

In figure, two blocks are separated by a uniform strut attached to each block with frictionless pins. Block A weighs 400 ~N , block B weighs 300 ~N , and the strut A B weigh 200 ~N

BITSAT 2015 Solution View → 23

The masses of blocks A and B are m and M respectively. Between A and B , there is a constant frictional force F and B can slide on a smooth horizontal surface. A is set in motion w

BITSAT 2015 Solution View → 24

A load of mass m falls from a height h on to the scale pan hung from the spring as shown in the figure. If the spring constant is k and mass of the scale pan is zero and the mass m

BITSAT 2015 Solution View → 25

A person with his hand in his pocket is skating on ice at the rate of 10 ~m / s and describes a circle of radius 50 ~m . What is his inclination to vertical: ( g =10 ~m / sec ² )

BITSAT 2014 Solution View → 26

The minimum velocity (in ms ⁻¹ ) with which a car driver must traverse a flat curve of radius 150 ~m and coefficient of friction 0.6 to avoid skidding is

BITSAT 2013 Solution View → 27

A bob is hanging over a pulley inside a car through, a string. The second end of the string is in the hand of a person standing in the car. The car is moving with constant accelera

BITSAT 2013 Solution View → 28

A block of mass m is placed on a smooth inclined wedge A B C of inclination as shown in the figure. The wedge is given an acceleration 'a' towards the right. The relation between a

BITSAT 2013 Solution View → 29

An object experiences a net force and accelerates from rest to its final position in 16 ~s . How long would the object take to reach the same final position from rest if the object

BITSAT 2011 Solution View → 30

Three blocks of masses m ₁, ~m ₂ and m ₃ are connected by massless strings, as shown, on a frictionless table. They are pulled with a force T ₃=40 ~N . If m₁=10 ~kg , ~m ₂=6 ~kg an

BITSAT 2011 Solution View → 31

Two blocks are connected over a massless pulley as shown in fig. The mass of block A is 10 ~kg and the coefficient of kinetic friction is 0.2 . Block A slides down the incline at c

BITSAT 2010 Solution View → 32

A block of mass M is pulled along a horizontal frictionless surface by a rope of mass M / 2 . If a force 2 Mg is applied at one end of the rope, the force which the rope exerts on

BITSAT 2009 Solution View →
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