Question

A. Fill in the blanks.


1. When speed of a body is zero, it is considered to be at ____________.

2. For the force to act, the two bodies must _____________
with each other.

3. By applying force in the direction opposite to the direction of the motion of a body, we can ____________
its speed.

4. Friction between the _____________
and the wheel slows down or stops a moving vehicle.

5. Friction causes wastage of _______________.

6. As friction produces _______________
different parts of the rotating machine get damaged with time
and need __________________
replacement.​

Answer 1

Answer:

1) rest

2) collide

3) decelerate

4) road