ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 335

Question 1671

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What determines the direction of angular momentum vector?

Left-hand rule
Magnitude of r
Right-hand rule applied to r × mv
Direction of velocity

Question 1672

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What effect does total torque have on a rigid body?

It changes linear momentum
It changes kinetic energy only
It changes the total angular momentum
It causes translation

Question 1673

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What effect do external forces have on a rigid body's translational motion?

They change its angular momentum
They change its linear momentum
They have no effect
They only affect shape

Question 1674

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What is a couple in mechanics?

Two forces in same direction
Two equal and opposite forces not along the same line
A single force
A force and a torque

Question 1675

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Does the rotational equilibrium condition depend on the choice of origin if translational equilibrium holds?

Yes, always
No, it does not depend
Only in 2D
Only for symmetric bodies