A.4 - Rigid Body Mechanics (HL Only)
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Practice Questions
Test your understanding with targeted questions
What is the formula for torque?
💡 Hint: Think about how force is applied at an angle.
Define moment of inertia.
💡 Hint: Consider how mass and distance from the rotation axis affect it.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the angular displacement equation?
💡 Hint: Remember 'TWO' for θ, ω, α.
Torque is the rotational equivalent of what?
💡 Hint: Think about the physical descriptions.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A disk of mass 2 kg rotates with an angular speed of 10 rad/s. If a force of 5 N is applied tangentially at the edge, what will be the angular acceleration?
💡 Hint: Don’t forget to use the moment of inertia for the disk shape.
A rotating object has a moment of inertia of 5 kg·m² and is subjected to a net torque of 15 N·m. What is its angular acceleration?
💡 Hint: Remember to rearrange the equation for angular acceleration.
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