Sliding Friction

Q.

State the Empirical Laws of Static Friction and Kinetic Friction

Q. Sliding friction is always less than rolling friction.

1. True
2. False

Q. Ball bearings use friction instead of sliding friction.

1. rolling
2. static
3. kinetic

Q. If a block is sliding at a speed of ${\text{2 ms}}^{-1}$ on ground, friction will act on it.

1. static
2. kinetic
3. rolling

Q.

Name the type of friction produced when you move a cart with wheels on the floor.

Q.

The sliding friction is more than the rolling friction.

1. True
2. False

Q.

What would be the impact on friction if powder is sprinkled on the carom board?

Q. If a cubical block is moving down a slide, the type of friction acting on the block is

1. rolling friction
2. static friction
3. sliding friction