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2 cards from this section. Quick, good the night before a test.
Define torque in your own words.
Think about how force is applied to a doorknob.
What is angular momentum?
No hint provided
What does torque measure?
Think of how doors are rotated.
True or False: Angular momentum can change without external torque acting.
Consider a closed system.
A force of 10 N is applied at the end of a 2 m long lever arm. Calculate the torque produced.
Use the torque formula.
If a spinning disc has an angular momentum of 50 kg·m²/s, and an external torque of 5 N·m is applied for 2 seconds, what will be the new angular momentum?
Consider how torque changes angular momentum over time.
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