Sample questions
You've seen the pattern — here are a few of the actual PYQs.
GEO2023
In which of the following situations will an applied force do negative work on a body?
- A The applied force and displacement of the body are at 135° to each other ✓
- B The applied force and displacement of the body are parallel to each other
- C The applied force and displacement of the body are perpendicular to each other
- D The applied force and displacement of the body are at 45° to each other
✓ Correct answer: (A)
Science & Technology › Physics & Chemistry
NDA2021
A negative work is done when an applied force F and the corresponding displacement S are
- A perpendicular to each other.
- B parallel to each other.
- C anti-parallel to each other. ✓
- D equal in magnitude.
✓ Correct answer: (C)
Science & Technology › Physics & Chemistry
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