ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 643

Question 3211

▼

What is the rotational analog of Newton’s second law?

F = mv
p = mv
E = mc²
τ = Iα

Question 3212

▼

What happens to the angular velocity of a rotating platform when a person walks toward the center?

It decreases
It remains the same
It becomes zero
It increases

Question 3213

▼

How is angular momentum conserved in an isolated system?

It increases gradually
It decreases to zero
It changes randomly
Total angular momentum remains constant in the absence of external torque

Question 3214

▼

What is the condition for a rigid body to be in static equilibrium?

Only net force zero
Only net torque zero
Net force zero and net torque non-zero
Both net force and net torque must be zero

Question 3215

▼

On what does the value of torque depend when a force is applied to a body?

Only on force magnitude
Only on distance from pivot
Only on direction
Magnitude of force, point of application, and direction of force