ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 141

Question 701

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What is the effect of angular displacement on work done?

Work is inversely proportional
Work is independent
Work is proportional to square of dθ
Work is proportional to angular displacement

Question 702

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What is the physical meaning of τdθ?

Power
Angular momentum
Work done by torque in angular displacement dθ
Linear displacement

Question 703

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What is the basis for adding torques algebraically in fixed-axis rotation?

They are perpendicular
They are radial
All torques are parallel to the axis
They cancel each other

Question 704

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What is the relationship between linear and angular displacement for a rotating particle?

ds = dθ/r
ds = r²dθ
ds = r dθ
ds = ωt

Question 705

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What determines the plane of rotation for a particle?

The axis only
The force direction
The plane perpendicular to the axis passing through its position
The tangent at P₁