NEET Questions on Circular Motion

NEET questions on the circular motion consist of important MCQ questions from the chapter. It is an essential topic in the NEET physics syllabus that teaches about various theories and formulas. Circular motion teaches students about a particular and its moment along a round path in a circular motion. The chapter consists of the theory of acceleration and particle movement around the circle towards the centre.
The trending questions come from topics like angular variables, Newton’s law of motion, types of motion and so on. Practising NEET exam questions on the Circular motion of elements will help students to recall the concepts better during the exam. Students must practice these MCQ questions daily to understand theories, laws and concepts for better exam preparation. In this article, learn in detail about the NEET questions on Newton’s law of motion, uniform and non-uniform motion and so on.

List of NEET Questions on Circular Motion

NEET questions on circular motion consist of various physics theories, concepts and laws that students must understand and practice for good exam scores. Students can go through the NEET Questions on Circular Motion given below.

1) In a uniform circular motion, the direction of linear velocity is along the

1. Tangent to the curve path
2. Radius vector towards the centre
3. Perpendicular to the plane of the circular motion
4. Radius vector

A: A

2) A satellite of the earth is revolving around the earth with a uniform speed ‘v’. If the gravitational force suddenly vanishes, the satellite will

1. Continue to move forward with the velocity v along the original orbit.
2. Move forward with a velocity v, tangentially to the original orbit.
3. Fall with increasing velocity
4. Ultimately stop somewhere on the original orbit.

A: B

3) For a particle performing UCM, the physical quantities are constant

1. Speed and angular velocity
2. Kinetic energy and radius vector
3. Angular velocity and Kinetic energy
4. ‘a’ and ‘c’

A: D

4) In a uniform circular motion, the velocity, position vector and angular velocity are

1. Parallel to each other
2. Mutually perpendicular to each other
3. They are co-planers
4. The angle between then 450

A: B

7) The ratio of the frequencies of rotation of the 1-hour hand of a clock and the Earth is

1. 1: 12
2. 1: 2
3. 2:1
4. 12: 1

A: C

8) The ratio of the angular speed of the minute hand of a clock to that of its 1-hour hand is

1. 3600: 1
2. 60: 1
3. 24: 1
4. 12: 1

A: C

9) Which of the following quantities are constant for a body performing UCM?

1. The linear and angular velocities.
2. The linear speed and the acceleration
3. The linear velocity and the acceleration
4. The linear speed and the angular velocity

A:  D

10) The angular speed of the wheels of a bicycle is 8π rad/s. Their period of revolving is

1. 0.25 s
2. 0.4 s
3. 4 s
4. 4s

A: A

11) A particle describes a circular path of diameter 20 m every 2s. The average angular speed of the particle during 4s is

1. 20/ rad s
2. 10/rad s
3. 5/rad s
4. rad s/

A: D

12) A car goes round a circular track of radius 50m with a speed of 25 m/s. Its angular speed is

1. 0.5 rad/s
2. 2 rad/s
3. 5 rad/s
4. 1250 rad/s

A: A

13) A belt passed over by a wheel of radius 25 cm. If a point on the belt has a speed of 5 m/s, the belt is moving with an angular velocity of

1. 3.2 rad/s
2. 0.32 rad/s
3. 20 rad/s
4. 0.032 rad/s

A: C

14) A bicycle wheel, 80 cm in diameter, is rotating at 120 rpm. The linear speed of the midpoint of a spoke is

1. 80/m s
2. 8.0/m s
3. 0.80/m s
4. 0.80/m s

A: C

15) A particles move in a circular path of radius 10 cm with a constant speed of 10 cm/s. Its acceleration is

1. 100cm/s2
2. 10 cm/s2
3. 1 cm/s2
4. Zero

A:  B

16) If a particle moves in a circular path with an angular velocity which is uniformly changing in magnitude, then it has

1. No centripetal acceleration
2. A constant centripetal acceleration plus a tangential acceleration
3. A tangential acceleration is constant in magnitude and a centripetal acceleration changes in magnitude
4. A constant tangential acceleration and a centripetal acceleration which increases in magnitude.

A:  C

17) An object moving a circle will have an angular acceleration only if the net force on it

1. Is entirely centripetal
2. Has a tangential component
3. Is entirely centrifugal
4. Is entirely tangential

A: B

18) A particle is moving in a circle of radius ‘r’ and centre O with constant speed. What is the transformation in velocity in moving from A and B?

1. 2 2 sin / 2 v

1. 2 in / 2 v
2. 2 2 cos / 2 v
3. 2 cos / 2 v

A: B

19) The speed of revolution of a particle around a circle is halved and its angular speed is doubled what happens to the radial acceleration?

1. Remains unchanged
2. Halved
3. Doubled
4. Quadrupled

A: A

20) The average acceleration vector for a particle having a uniform circular motion is

1. A constant vector of magnitude v2 /r
2. A vector of magnitude v2 /r directed normal to the plane
3. Equal to the instantaneous acceleration vector at the start of the motion
4. A null vector

A: D

21) A car is moving with a speed of 30 m/s on a circular path of a radius of 500 m. Its speed is increasing at the rate of 2m/s2. The acceleration of the car is

1. 9.8 m/s2
2. 1.8 m/s2
3. 2 m/s2
4. 2.7 m/s2

A: D

22) The angular speed of a particle, moving in a circle of radius 20 cm, increases from 2 rad/s to 40 rad/s in 9 s the ratio of its centripetal acceleration to tangential acceleration at the end of 19 s is,

1. 400: 1
2. 1: 800
3. 1:400
4. 800: 1

A: D

23) Select the incorrect statement

1. Centrifugal force has the same magnitude as that of centripetal force
2. Centrifugal force is along the radius, away from the centre
3. Centrifugal force exists in an inertial frame of reference
4. Centrifugal force is called pseudo force as its origin cannot be explained

A; C

24) A body of mass 0.4 kg is revolved in a horizontal circle of radius 5m. If it performs 120 rev/min, the centripetal force acting on it is.

1. 2 4 N
2. 2 8 N
3. 2 16 N
4. 2 32 N

A: D

25) A body of mass 1 kg is tied to a string and revolved in a horizontal circle of radius 100 cm. If the breaking tension of the string is 100 N, the maximum velocity with which the body can be revolved is

1. 100 m/s
2. 10 m/s
3. 1 m/s
4. 0.1 m/s

A: B

26) A stone of mass m is tied to the end of a string of length l. When whirled in a horizontal circle, the tension in the string is F. To whirl it in a radius of 1 2 l with half the initial angular velocity, the new tension in the string should be

1. F
2. 1 2 F
3. 1 4 F
4. 1 8 F

A: D

27) A rope can withstand a tension of 2  kg wt. A body of mass 2 kg is tied to this rope and revolved in a horizontal circle of radius 5 m. the maximum frequency of revolution possible is [g = 10m/s2 ]

1. 0.2 rev/s
2. 0.5 rev/s
3. 1 rev/s
4. 2 rev/s

A: B

28) A car is moving along a horizontal curve of radius 20 cm. If the coefficient of friction between the road and the wheels of the car is 0.25, then its maximum safe speed is

1. 3 m/s
2. 5 m/s
3. 7 m/s
4. 9 m/s

A: C

29) The maximum safe speed of a vehicle on a circular track is 15 km/h. When the track becomes wet, the maximum safe speed is 10 km/h. the ratio of the coefficient of friction of the dry track to that of the wet track is

1. 2:3
2. 3:2
3. 9:4
4. 1:1

A: D

30) The angle of banking is independent of

1. Velocity of vehicle
2. Radius of curvature
3. Mass of vehicle
4. Width of road

A: C

31) A car is travelling on a circular banked road. The centripetal acceleration of a car is given by

1. The Normal reaction
2. The Weight of a car
3. The Horizontal component of a normal reaction
4. The Vertical component of the normal reaction

A: C

32) At what angle should a road be banked so that the vehicle may a bend of radius 10 m travelling with a speed of 10 m/s (g = 10 m/s2 )

1. 800
2. 450
3. 600
4. 900

A: B

33) An empty truck can take a certain level turn at a maximum safe speed of 12 m/s without skidding. When the truck is carrying a load equal to its weight, the maximum speed at which the truck can safely take the turn is

1. 3 m/s
2. 6 m/s
3. 12 m/s
4. 24 m/s

A: C

34) The maximum speed with which a car can be driven safely along a curved road of a radius of 17.32 m and banked at 300 with the horizontal is

1. 5 m/s
2. 10 m/s
3. 15 m/s
4. 20 m/s

A: B

35) The tangent of the banking angle is

1. Proportional to v
2. inversely proportional to v2
3. Proportional to the radius of the turn
4. Proportional to v2

A: D

36) A car takes a circular turn at an optimum speed on a road which is banked at an angle 1  sin 0.1. If the required centripetal force is 400 N, the normal reaction on the car is

1. 400 N, vertically upward
2. 40N, normal to the road surface
3. 4000 N, normal to the road surface
4. 4000 N, vertically downward

A: C

37) A bucket of water, tied to a rope is to be rotated without spilling in a vertical circle of radius 5 m. The minimum speed of the bucket at the highest position must be

1. 0.7 m/s
2. 2 m/s
3. 4 m/s
4. 7 m/s

A: D

38) A small bob tied to a string of length 1 m is revolved in a vertical circle such that the tension in the string is zero at the highest point. Its linear speed at the lowest point is

1. 7 2 / m s
2. 7 m/s
3. 3 2 / m s
4. 3 m/s

A: B

39) A motorcyclist rides in a vertical circle in a hollow sphere of radius 5m. The minimum speed required so that he does not lose contact with the sphere at the highest point is

1. 4.6 m/s
2. 7 m/s
3. 7.5 m/s
4. 8 m/s

A:  B

40) A bob of mass 30 g suspended by a string can complete a vertical circular loop at a place where g = 10 m/s2. If the maximum change in its PE during the motion is 0.6 J, the radius of the path is

1. a) 10 m
2. b) 2m
3. c) 1 m d
4. d) 0.5 m

A: C

41) A small body of mass m, tied to a string and revolved in a vertical circle is just able to reach the top of the path and complete the circle. The tension in the string at the lowest point of the path is

1. mg
2. 2mg
3. 4 mg
4. 6 mg

A: D

42) The angular acceleration of a rotating body which slows down from 500 rpm to rest in 10 seconds is about

1. 5 rad/s2
2. – 2.5 rad/s2
3. – 5 rad/s2
4. – 10 rad/s2

A: C

43) The frequency of a particle performing circular motion changes from 60 rpm to 120 rpm in 20 seconds. Its angular acceleration is

1. 31.4 rad/s2
2. 6.28 rad/s2
3. 3.14 rad/s2
4. 0.314 rad/s2

A: D

44) A particle moves in a circular path of radius 0.2 m with an angular speed of 2 rad/s. If it has a constant angular acceleration of 4 rad/s2 for 0.5 s, its angular speed becomes

1. 0.4 rad/s
2. 2 rad/s
3. 4 rad/s
4. 8 rad/s

A: C

45) A flywheel rotates about a fixed axis and slows down from 400 4 rpm to 200 rpm in one minute. How many revolutions does the flywheel complete at the same time?

1. 200 rev
2. 400 rev
3. 300 rev
4. 500 rev

A: C

46) An object of mass 2 kg is whirled around in a vertical circle of radius 1m with a constant speed of 4m/s. Then the maximum tension in the string is (10 m/s )

1. 32 N
2. 52 N
3. 72 N
4. 92 N

A: B

47) The initial angular velocity of a wheel wheel is 2 rad/s. It rotates with a constant angular acceleration of 3.5 rad/s2. Its angular displacement in 2 s is

1. 4 rad
2. 7 rad
3. 8 rad
4. 11 rad

A: D

48) A body of mass m performs ucm along a circular path of radius r with a velocity vertebra its angular momentum is L, then its centripetal force is

1. L 2 /mr2
2. L 2 /mr3
3. L 2 /mr
4. L 2 /r3

A: D

49) In a circular motion, the radius vector

1. Changes in magnitude as well as direction
2. Changes in magnitude only
3. Changes in direction but has a fixed magnitude
4. Has a constant magnitude and direction

A: C

50) Angular displacement is a vector quantity directed

1. Radially along the position vector
2. Perpendicular to the plane of revolution given by the left-hand screw rule
3. Along the tangent to the circular path and given by the right-hand rule
4. Perpendicular to the plane of revolution given by the right-hand screw rule

A: D

51) A bicycle is moving with a constant velocity v  the graph of angular speed  of its wheels against the distance travelled s is

1. A hyperbola
2. A straight line parallel to the  axis
3. A straight line parallel to the s-axis
4. A parabola

A: B

52) When a body moves with a constant speed along a circle,

1. Its linear velocity remains constant.
2. No force acts on it
3. No work is done on it
4. No acceleration is produced in it

A: C

53) Two particles, whose masses are in the ratio 7:3, go around two concentric tracks whose radii are in the ratio 1:2 If their linear speeds are in the ratio 1:2, their centripetal accelerations are in the ratio

1. 7:6
2. 1:1
3. 1:2
4. 1:4

A: C

54) A body performing circular motion with a constant speed has a constant

1. Momentum
2. Angular velocity
3. Radius vector
4. Acceleration

A: B

55) The particle is performing the uniform circular motion, the true statement/s is/are

A) the direction of linear velocity, acceleration and force changes instantaneously

B) the magnitude of linear velocity, acceleration and force changes instantaneously.

C) the magnitude of linear velocity, acceleration and force remains constant.

D) linear velocity, acceleration and force are in the same direction. Which of the given options is correct?

1. A and D
2. A and C
3. B, C and D
4. A, B, and C

A: B

These were the set of top NEET questions on Circular Motion with Answers that will help students prepare better for the examination. Candidates can also download various other sample papers, mock papers and test series that will help them to know the important laws, theories and concepts in the NEET Physics Circular Motion chapter.

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