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Topic Linear momentum
Asked 2 times across 2 UPSC exams over 3 years (2020–2023), peaking in 2020.
Key insights
- Most tested in CDS — 1 of 2 PYQs
- Most asked in 2020
- Recurs across 2 years (2020–2023)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2020 → GEO 2023
How the concept evolved
Rising — more than half its appearances (2 of 2) are since 2016.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
GEO2023
Which one of the following is the quantity of transfer of linear momentum to the floor, when a dumbbell of mass 500 g falls from a height of 5 m and stops after hitting the floor (take g = 10 m/s²)?
- A 0·5 kg-m/s
- B 5·0 kg-m/s ✓
- C 10·0 kg-m/s
- D 1·0 kg-m/s
✓ Correct answer: (B)
Science & Technology › Physics & Chemistry
CDS2020
If the linear momentum of a moving object gets doubled due to application of a force, then its kinetic energy will
- A remain same
- B increase by four times ✓
- C increase by two times
- D increase by eight times
✓ Correct answer: (B)
Science & Technology › Physics & Chemistry
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