Work Done In Rotation
A torque of 10 N·m rotates a body through an angle of π radians. What is the work done?
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About This Question
- Subject
- physics
- Chapter
- rotational motion
- Topic
- work done in rotation
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
10π J
- Rotational Analogue: Just as W=Fd in linear motion, W=τθ in rotation.
- Inputs:
- Torque τ=10 N·m.
- Angular displacement θ=π radians.
- Calculation:
- W=10×π.
- Result: W=10π Joules.
This easy difficulty physics question is from the chapter rotational motion, covering the topic of work done in rotation. It appeared in the 2025 exam.
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