# Circular and Rotational Motions: Physics Practice Questions and MCQ Test Series for IITJEE, AIPMT, AIEEE, WBJEE, NAT, BITSAT, AFMC, KEAM, OJEE, Bihar PMT, KIITEE, COMEDK, UPCAT, JIPMER, BHU PMT and Joint Entrance Exams

Physics >> Circular and Rotational Motions

Prepare with practice questions and MCQ test series (solved) on “Circular Motion”, “Rotational Motion” to prepare for NEET, IITJEE, AIPMT, AFMC, other national and state level engineering and medical Joint Entrance Exams, MBBS Admission Tests, Tripura Joint Entrance Exam (TJEE), AIEEE, BITSAT, KEAM - CEE Kerala, AIPVT - All India Pre-Veterinary Test, West Bengal Joint Entrance (WBJEE), Manipal University MBBS Admission Test, Odisha Joint Entrance (OJEE), Bihar PMT, KIITEE, COMEDK - UPCAT, JIPMER MBBS Entrance Exam, Punjab Engineering and Medical Entrance Test, UPCMET, KCET, SRM EEE (SRM Engineering Entrance Exam), KMC Admission Test, Rajasthan Pre Veterinary Test (RPVT), EAMCET, IMS - BHU PMT (Banaras Hindu University Pre Medical Test), UPCPMT, AEEE (Amrita Engineering Entrance), Amrita MBBS & BDS Entrance Exam, VITEEE, AMU MBBS, AP JEE, CMC Vellore Medical Entrance Exam, NAT (National Aptitude Test), ISAT (IIST Admission Test) and other competitive examinations.

## Physics Practice Questions / MCQ Test Series on Circular Motion and Rotational Motion for Medical, Engineering Joint Entrance Tests

Syllabus: Kinematics of Circular Motion; Dynamics of Uniform Circular Motion; Centripetal Force; Examples: vehicle on level circular road, vehicle on baked track; Angular Velocity and its relation with Linear Velocity; Torque or Moment of Force and Angular Momentum; Laws of Conservation of Angular Momentum; Theorems of perpendicular axes and parallel axes; Kinematics of Rotational Motion about a fixed axis; Rolling Motion; General relation among Position-Velocity-Acceleration for Motion in a plane and Uniform Circular Motion; Centrifugal Force; Motion in a vertical circle; Rotational Motion of a rigid body; Moment of Inertia; Angular Impulse.

### Physics: Circular Motion, Rotational Motion

Multiple Choice Questions – Set 1 (Q No 1-10)
Question 1: The angular velocity of the second’s needle in watch is –

Question 2: If mass, speed and radius of the circle of a particle moving uniformly in a circular path are all increased by 50% the necessary force required to maintain the body moving in the circular path will have to be increased by:
a. 225%       b. 125%
c. 150%       d. 100%

Question 3: In a circus, stuntman rides a motorbike in a circular track of radius R in the vertical plane. The minimum speed at highest point of track will be:

Question 4: Suppose a disc is rotating counter clockwise in the plane of the paper then –
a. It’s angular velocity vector will be perpendicular to the page pointing up out of the page
b. It’s angular velocity vector will be perpendicular to the page pointing inwards
c. It’s angular velocity vector acts along the tangent to the disc
d. None of the above is correct

Question 5: A particle moves along a circle of radius (20 / p) m with constant tangential acceleration. If the velocity of the particle is 80 m/s at the end of the second revolution after motion has begun, the tangential acceleration is –
a. 40 m/s2           b. 640p m/s2
c. 160p m/s2       d. 40p m/s2

Question 6: A solid sphere of mass m rolls without slipping on an inclined plane of inclination θ. The linear acceleration of the sphere is –

Question 7: A particle is moving in a horizontal circle with constant speed. It has constant –
a. Velocity                b. Acceleration
c. Kinetic energy      d. Displacement

Question 8: The maximum tension that an inextensible ring of radius 1 m and mass density 0.1 kg m-1 can bear is 40 N. The maximum angular velocity with which it can be rotated in a circular path is:

Question 9: A satellite, which orbits the earth in an elliptical orbit, will have constant –
a. Linear speed
b. Angular speed
c. Angular momentum
d. Kinetic energy

Question 10: A solid sphere of mass 2 kg rolls up a 300 incline with an initial speed of 10 ms-1. The maximum height reached by the sphere is: (g = ms-2)
a. 3.5 m       b. 7.0 m
c. 10.5 m     d. 14.0 m

Circular and Rotational Motions - More Practice Questions, MCQ Test Series with solutions

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