- Areduces speed of body
- Bbrings about wear and tear
- Cheats the body
- ✓polishes the surface of body
Answer: D.
View full solution →33 questions across 6 question groups — pick any mix to generate a PHYSICS paper with step-by-step answer keys.
MCQ
4 Q→02[1 Mark Question Answer]
12 Q→03[2 Mark Question Answer]
6 Q→04fill in the blanks.
5 Q→05TRUE / FALSE
5 Q→06Match the following.
1 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: D.
View full solution →Answer: A.
View full solution →Answer: B.
View full solution →Answer: A.
View full solution →Column A | Column B |
1. A force called into play when one body is made to slide upon another body | (a) Newton |
2. Sl unit of force. | (b) Streamlined |
3. A unit which is equivalent to weight of a body of mass 1 kg. | (c) Force of friction |
4. The materials used for reducing friction. | (d) 1 Kgf |
| (e) Lubricants |
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