A flywheel has a moment of inertia of . What torque is required to produce an angular acceleration of ?
Answer and explanation
Correct answer: B. 20 N m
- Step 1: Apply Newton's second law for rotation: .
- Step 2: Substitute values: .
Answer
20 N m.
Why not the others: '1.25 N m' computes ; '0.8 N m' computes ; '100 N m' computes .
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