Question

fill up's
1. friction always – motion
2. force of friction acts in a direction __ to motion
3.friction – the energy of motion into heat energy and noise
4.__ is caused due to roughness of two surfaces in contact and trying to move.​

Answer 1

Answer:

1.stop

2.applied

3.change

4.friction

Answer 2

Answer:

1)Oppose

2)Applied

3)Forces

4)Friction force

Explanation:

fill up's

1. Friction always oppose motion.

2.Force of friction acts in a direction applied to motion.

3.Friction forces the energy of motion into heat energy and noise.

4.Friction force is caused due to roughness of two surfaces in contact and trying to move.