Question

A. Say whether the statements are true or false:
1. The force acting along the two surfaces in contact which always opposes the motion
of one body over another is called the force of gravity.
2. Sliding friction is more than the rolling friction.
3. By increasing the roughness of the surfaces in contact friction can be decreased.
4. Fluid friction can be minimised by giving suitable shapes to bodies moving in fluids.​

Answer 1

Answer:

1 false

2.true

3. False

4.true

Explanation:

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