Question

Q I. Answer in one word:
1. Is friction same for all objects?
2. Which force helps us to write on the paper or black board?
3. Can we reduce friction to zero?
4. An approximate measurement of friction can be made using a ---------.
Q II. Answer in brief: -
5. Give two examples of smooth and rough surfaces each.
6. What is spring balance?
7. What is the measure of static fraction?
PLEASE ANDWER ALL THE QUESTIONS ​

Answer 1

Answer:

1. no

2. friction force

3.no

4.tribometer

Explanation:

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Answer 2

Answer:

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