Comparison of Linear and Rotational Motions NEET Questions

Physics - Rotational Motion

Comparison of Linear and Rotational Motions MCQ Questions


13.
A particle is moving in a circular path with constant speed. Which of the following quantities remains constant?

NEET - 2019

A.
Linear velocity
B.
Angular velocity
C.
Angular acceleration
D.
Centripetal force
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ANSWER :
B. Angular velocity
14.
The kinetic energy in rotational motion is given by:
A.
Iω²
B.
(1/2) mv²
C.
mgh
D.
(1/2) Iω²
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ANSWER :
D. (1/2) Iω²
15.
Which equation correctly relates angular displacement (θ), angular velocity (ω), and angular acceleration (α)?
A.
v = u + at
B.
ω² = ω₀² + 2αθ
C.
τ = Iα
D.
s = ut + (1/2)at²
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ANSWER :
B. ω² = ω₀² + 2αθ
16.
What is the rotational equivalent of linear impulse?
A.
Work
B.
Torque
C.
Angular impulse
D.
Rotational inertia
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ANSWER :
C. Angular impulse
17.
Which of the following is a correct analogy between linear and rotational motion?
A.
Acceleration ⇔ Work
B.
Force ⇔ Energy
C.
Displacement ⇔ Torque
D.
Mass ⇔ Moment of inertia
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ANSWER :
D. Mass ⇔ Moment of inertia
18.
A rotating disc has angular acceleration α. What is its equation for angular displacement in time t?
A.
s = ut + (1/2)at²
B.
θ = ω₀t + (1/2)αt²
C.
τ = Iα
D.
L = Iω
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ANSWER :
B. θ = ω₀t + (1/2)αt²