ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 397

Question 1981

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What is the role of the position vector in torque calculation?

It measures mass
It determines speed
It defines material
It determines the moment arm

Question 1982

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Why is torque considered a vector quantity?

Because it is a scalar
Because it has magnitude only
Because it has both magnitude and direction
Because it is dimensionless

Question 1983

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What is the result of the cross product ω × r in rotational motion?

Angular acceleration
Centripetal acceleration
Force
Linear velocity vector

Question 1984

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Which of the following produces the greatest torque?

Small force near axis
Large force near axis
Small force at large distance
Large force at large distance from axis

Question 1985

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What happens to angular acceleration if angular velocity is constant?

It increases
It decreases
It becomes zero
It oscillates