Comparison of Linear and Rotational Motions NEET Questions

Comparison of Linear and Rotational Motions MCQ Questions

1.
Which of the following quantities is analogous to mass in rotational motion?
A.
Velocity
B.
Torque
C.
Moment of inertia
D.
Work
ANSWER :
C. Moment of inertia
2.
Which of the following is the rotational equivalent of force in linear motion?
A.
Acceleration
B.
Torque
C.
Momentum
D.
Displacement
ANSWER :
B. Torque
3.
The rotational equivalent of linear momentum is:
A.
Linear velocity
B.
Moment of inertia
C.
Angular momentum
D.
Work
ANSWER :
C. Angular momentum
4.
Which of the following is the correct relationship between torque (τ), moment of inertia (I), and angular acceleration (α)?
A.
α = τ/I
B.
τ = α/I
C.
I = τ/α
D.
τ = Iα
ANSWER :
D. τ = Iα
5.
Which physical quantity remains conserved in both linear and rotational motion in the absence of external force/torque?
A.
Power
B.
Energy
C.
Momentum
D.
Impulse
ANSWER :
C. Momentum
6.
A disc and a ring, both of mass M and radius R, are released from the top of an inclined plane. Which one will reach the bottom first?

NEET - 2016

A.
Disc
B.
Ring
C.
Both simultaneously
D.
Depends on the angle of inclination
ANSWER :
A. Disc