Comparison of Linear and Rotational Motions NEET Questions

Physics - Rotational Motion
Comparison of Linear and Rotational Motions

Comparison of Linear and Rotational Motions MCQ Questions


13.
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
14.
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
15.
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
16.
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
17.
If a rigid body is rotating with uniform angular velocity, what is its angular acceleration?
A.
Increasing
B.
Constant
C.
Zero
D.
Decreasing
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ANSWER :
C. Zero
18.
The relationship between linear velocity (v) and angular velocity (ω) is:
A.
v = ω²/r
B.
v = ω/r
C.
v = r²ω
D.
v = rω
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ANSWER :
D. v = rω
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