ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 381

Question 1901

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What is the role of θ in torque calculation?

It determines mass
It determines r
It determines the effective component of force
It determines time

Question 1902

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How is angular momentum affected if the particle is at the origin?

It is maximum
It depends on velocity
It is zero
It is infinite

Question 1903

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Why is torque dimensionally similar to work?

Both are vectors
Both are scalars
Both have dimensions M L² T⁻²
Both cause motion

Question 1904

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What is the effect of halving the force on angular momentum?

Angular momentum doubles
Angular momentum halves
No direct effect
Angular momentum becomes zero

Question 1905

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What is the effect of doubling the position vector on torque, keeping F constant?

Torque halves
Torque doubles
Torque unchanged
Torque quadruples