ROTATIONAL MOTION

What is the expression for rotational kinetic energy?

• K = Mv²/2
• K = Fd
• K = Iω²/2
• K = τθ

How is angular velocity ω related to angular displacement θ?

• ω = d²θ/dt²
• ω = θ/t
• ω = dθ/dt
• ω = rθ

What is the formula for instantaneous power in rotational motion?

• P = Fv
• P = τω
• P = Iω²
• P = τα

What is the analogy between rotational work and linear work?

• τ corresponds to M and dθ to v
• τ corresponds to a and dθ to t
• τ corresponds to F and dθ corresponds to ds
• τ corresponds to p and dθ to x

What is the expression for the total work done by external torque on a rotating rigid body?

• dW = Fv
• dW = τω
• dW = τdθ
• dW = Iα