ROTATIONAL MOTION

What is the time period of rotation for a body completing one revolution in 2 seconds?

• 0.5 seconds
• 1 second
• 2 seconds
• 4 seconds

What is the condition for rotational equilibrium?

• Net force is zero
• Net acceleration is zero
• Net torque is zero
• Net velocity is zero

What is the center of mass of a uniform rod?

• At one end
• At one-fourth length
• At its geometric center
• At two-thirds length

What is the effect of increasing the moment of inertia on angular velocity if angular momentum is conserved?

• Angular velocity increases
• No effect
• Angular velocity decreases
• It becomes zero

What is the power in rotational motion?

• τ/ω
• τ + ω
• τω
• Iω