ROTATIONAL MOTION

What is the angular displacement after 8 seconds if ω₀ = 40π rad/s and α = 4π rad/s²?

• 320π rad
• 384π rad
• 416π rad
• 448π rad

What is the direction of angular acceleration when speed increases?

• Perpendicular to velocity
• Opposite to velocity
• Same as angular velocity
• Random direction

What factor determines moment of inertia?

• Total weight
• Color of object
• Mass distribution relative to axis
• Speed of rotation

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

• F = dp/dt
• τ = dL/dt
• τ = Iα
• W = τθ

In Table 6.2, what is the rotational analogue of linear momentum?

• Torque
• Moment of inertia
• Force
• Angular momentum