ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 72

Question 356

▼

What is the main assumption in Eq. (6.43c)?

Linear motion
Free fall
Rotation about a fixed axis
Constant velocity

Question 357

▼

What is the direction of Lz in right-handed coordinate systems?

Along -î
Along +ĵ
Along +k̂ for counterclockwise rotation
Opposite to ω

Question 358

▼

How does an increase in I affect ω when τ = 0?

ω increases
ω remains same
ω decreases to conserve angular momentum
ω becomes zero

Question 359

▼

What is the implication of Lz = Iω in rotational dynamics?

It measures force
It calculates energy
It links rotational inertia and motion
It defines time

Question 360

▼

What is the role of the pivot in the swivel chair?

To add torque
To increase weight
To provide a fixed axis of rotation
To stop rotation