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Circular Motion — JEE Main & Advanced Physics PYQs

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

71 questionsPhysicsSolutions on every page
1

Determine the acceleration of a particle located on the surface of the earth at the equator due to the earth's rotation. The diameter of the earth is 12800 km and it takes 24 hours

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Determine the acceleration of the moon with respect to the earth using the following data: the distance between the earth and the moon is 3.85 10^5 km , and the time taken by the m

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A particle travels in a circle of radius 1.0 cm with a speed given by v = 2.0 t , where v is in cm/s and t is in seconds. Calculate the magnitude of the particle's acceleration at

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A particle travels in a circle of radius 1.0 cm with a speed given by v = 2.0 t , where v is in cm/s and t is in seconds. Calculate the tangential acceleration of the particle at t

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A scooter, which together with its rider weighs 150 kg , is travelling at 36 km/hr . Determine the horizontal force on the scooter needed to successfully navigate a turn of radius

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A scooter and its rider, having a combined mass of 150 kg , are travelling at 36 km/hr and need to negotiate a turn of radius 30 m . What should be the proper angle of banking if t

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A particle travels in a circle of radius 1.0 cm with a speed given by v = 2.0 t , where v is in cm/s and t is in seconds. Calculate the radial acceleration of the particle at t = 1

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A park has a radius of 10 m . Determine the proper angle of banking if a vehicle travels around it at an average speed of 18 km/hr .

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A park features a radius of 10 m . Assuming the road encircling it is horizontal (unbanked), determine the minimum friction coefficient required so that a scooter travelling at 18

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A circular road with a radius of 50 m has a banking angle of 30^ . Determine the speed at which a vehicle should travel on this road such that friction is not utilized.

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According to the Bohr model of a hydrogen atom, the electron behaves as a particle moving in a circular path centered on the proton. The proton is considered to be fixed within an

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A stone is attached to one end of a string and is whirled in a vertical circle of radius R . Determine the minimum speed the stone can have at the highest point of the circle.

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A ceiling fan operates at 1500 rpm at full speed and has a diameter of 120 cm (for the circle traced by the outer edges of its three blades). Consider a particle of mass 1 g that i

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A mosquito rests on an L.P. record disc that is rotating on a turn table at 33 1 3 revolutions per minute. If the distance of the mosquito from the centre of the turn table is 10 c

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A simple pendulum is suspended from the ceiling of a car executing a turn of radius 10 m at a speed of 36 km/h . Determine the angle made by the pendulum's string with the vertical

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A simple pendulum of length 1 m has a bob of mass 100 g . At the lowest point in its path, the bob has a speed of 1.4 m/s . Determine the tension in the string at this instant.

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A simple pendulum of length 1 m has a bob of mass 100 g . If the bob has a speed of 1.4 m/s when the string makes an angle of 0.20 radian with the vertical, determine the tension i

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Consider a simple pendulum with a bob of mass m that has an amplitude of ₀ . Determine the tension in the string when the bob reaches its extreme position.

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At the equator, a person stands on a spring balance. By what fraction is the reading on the balance less than the person's true weight?

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At the equator, a person stands on a spring balance. If the speed of earth's rotation is increased by such an amount that the balance reading becomes half the true weight, what wil

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A turn of radius 20 m is banked for vehicles travelling at a speed of 36 km/h . If the coefficient of static friction between the road and the tyre is 0.4 , determine the possible

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A motorcycle is required to travel at a constant speed over an overbridge shaped as a circular arc of radius R and total length L . Assume the motorcycle begins at the highest poin

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A car travels along a horizontal circular road of radius R , with its speed increasing at a constant rate dv dt = a . The friction coefficient between the tyre and the road is . De

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A block of mass m is placed on a horizontal ruler. The coefficient of friction between the block and the ruler is . The ruler is fixed at one of its ends, and the block is situated

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A block of mass m is kept on a horizontal ruler. The friction coefficient between the ruler and the block is . One end of the ruler is fixed, and the block is located at a distance

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A track consists of two circular parts ABC and CDE of equal radius 100 m , joined smoothly. Each part subtends a right angle at its centre. A cycle weighing 100 kg together with th

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A track consists of two circular parts ABC and CDE of equal radius 100 m , joined smoothly. Each part subtends a right angle at its centre. A cycle weighing 100 kg together with th

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A track consists of two circular parts ABC and CDE of equal radius 100 m , joined smoothly. Each part subtends a right angle at its centre. A cycle weighing 100 kg together with th

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A track consists of two circular parts ABC and CDE of equal radius 100 m , joined smoothly. Each part subtends a right angle at its centre. A cycle weighing 100 kg together with th

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At a children's park, a heavy rod is pivoted at its centre and forced to rotate about the pivot, maintaining a horizontal orientation. As shown in the figure, two kids hold the rod

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A hemispherical bowl of radius R is rotated about its vertically maintained axis of symmetry. A small block is placed inside the bowl at a position where the radius vector forms an

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A particle is projected with a speed u at an angle heta to the horizontal. Consider a small portion of its trajectory near the highest position and assume it to be approximately a

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A particle is projected with a speed u at an angle to the horizontal. Determine the radius of curvature of the parabola traced by the projectile at the position where the particle

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A block of mass m travels in a horizontal circle against the wall of a cylindrical room of radius R . The floor of the room is smooth, while the friction coefficient between the wa

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A block of mass m travels in a horizontal circle against the wall of a cylindrical room of radius R . The floor of the room is smooth, while the friction coefficient between the wa

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A block of mass m travels in a horizontal circle against the wall of a cylindrical room of radius R . The floor of the room is smooth, while the friction coefficient between the wa

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A cabin is rotating in a circular path of radius R with a uniform angular velocity , as shown in the figure. Inside the cabin, a table with a smooth horizontal surface is fixed. On

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Travelling at a speed of 36 km/hr , a car is taking a turn on a circular road of radius 50 m . A small wooden plate is positioned on the seat with its plane perpendicular to the ra

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A block of mass m travels in a horizontal circle against the wall of a cylindrical room of radius R . The floor of the room is smooth, while the friction coefficient between the wa

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Travelling at a speed of 36 km/hr , a car is taking a turn on a circular road of radius 50 m . A small wooden plate is positioned on the seat with its plane perpendicular to the ra

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A table featuring a smooth horizontal surface is situated in a cabin that travels in a circle of large radius R with angular velocity , as shown in the figure. A smooth pulley of s

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When viewed from an inertial frame of reference, a particle of mass m is seen travelling in a circle of radius r at a uniform speed v . What is the centrifugal force acting on the

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A coin resting on a rotating turntable just begins to slip when positioned 4 cm from the centre. If the turntable's angular velocity is doubled, the coin will just slip at a distan

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A motorcycle travels across an overbridge of radius R . The driver keeps the speed constant. While the motorcycle is ascending the overbridge, the normal force acting on it

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Three identical cars, A , B , and C , travel at the same speed across three bridges. Car A drives on a flat bridge, car B on a bridge that is convex upward, and car C on a bridge t

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Along the equator, a train A travels from east to west while a second train B of identical mass travels from west to east at an equal speed. Train A exerts a force F₁ on the track,

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When a particle travels in a circular path at a uniform speed,

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Two cars with masses m₁ and m₂ travel in circles of radii r₁ and r₂ , respectively. If they complete one circle in equal time, the ratio of their angular speeds ₁ ₂ is

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Water contained in a bucket is whirled in a vertical circle using an attached string. The water does not fall out even when the bucket is inverted at the highest point of its traje

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A particle is securely placed on a uniformly rotating turntable. When observed from the ground, the particle travels in a circle with a speed of 20 cm/s and an acceleration of 20 c

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If the earth were to stop rotating, the apparent value of g on its surface would

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A rod of length L is pivoted at one of its ends and rotated in a horizontal plane with a uniform angular velocity. Let T₁ and T₂ represent the tensions at distances L/4 and 3L/4 ,

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

A simple pendulum with a bob of mass m hangs from the ceiling of a car involved in a stunt film shoot. The car travels upward along an inclined cliff at a speed v , leaps off the c

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Consider a simple pendulum oscillating in a vertical plane, with representing its angular displacement. If the mass of the bob is m , the tension in the string is equal to mg

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A particle of mass m revolves in a circle of radius a about the Z -axis at a uniform angular speed . When observed from a reference frame rotating about the Z -axis with a uniform

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A car travels at a constant speed along a road, as shown in the figure. The normal force exerted by the road on the car is N_A when the car is at point A , and N_B when it is at po

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A stone of mass m attached to a string of length l is whirled in a circle, with the string's other end acting as the centre. The stone's speed is v . In the event that the string b

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

An object travels along a curved path. Which of the following quantities may remain constant during the motion?

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A particle travels in a spiral path with constant speed, as shown in the figure.

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A car of mass M travels on a horizontal circular path of radius r . At a given instant, its speed is v and is increasing at a rate a .

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Suppose the earth revolves around the sun in a circular orbit, maintaining a constant speed of 30 km/s .

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During circular motion about the origin, a particle's position vector sweeps out equal areas in equal intervals of time. Its

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A car of mass m attempts to navigate a circular road of radius r which is banked for a speed v = 40 km/hr . The coefficient of friction between the tyre and the road is negligible.

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A person exerts a constant force F on a particle of mass m and observes that the particle travels in a circle of radius r at a uniform speed v , as viewed from an inertial frame of

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Suppose the earth revolves around the sun in a circular orbit, maintaining a constant speed of 30 km/s .

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A car of mass m attempts to navigate a circular road of radius r which is banked for a speed v = 40 km/hr . The coefficient of friction between the tyre and the road is negligible.

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A person exerts a constant force F on a particle of mass m and observes that the particle travels in a circle of radius r at a uniform speed v , as viewed from an inertial frame of

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A particle travels in a spiral path with constant speed, as shown in the figure.

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An object travels along a curved path. Which of the following quantities may remain constant during the motion?

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A car of mass M travels on a horizontal circular path of radius r . At a given instant, its speed is v and is increasing at a rate a .

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During circular motion about the origin, a particle's position vector sweeps out equal areas in equal intervals of time. Its

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