…… is friction comes into play when surface of one object moves relative to the other surface of another object

The friction which comes to play when surfaces of the objects are at rest relative to each other

In the given below frictions, which friction is self adjusting force?

Push a heavy box with a small force. It does not move. Now gradually increase the force, the box till does not move. From this experiment your conclusion is

To prove that the frictional force is independent of the area of contact, the required materials and apparatus are

The change in the length of the spring is …… to the applied force.

Friction is said to be a Mend, because it helps

Which of the following play major role to avoid corrosion due to Motion?

The friction exerted by a rolling body is

… is responsible for over heating and wearing out of moving parts.

Gymnasts apply which material on their hands to increase Motion for better grip?

It is difficulty to walk on slippery surfaces, because there exists

In this games/sports less Motion is required

Ravi observed holes in a flexi banners. They prevents

Porters use Thalapaga (bundle of cloth) (turban) on their heads while carrying luggage this provides