FRICTION CLASS 8

Front

Friction is a _________ force.

Back

Contact

Front

Friction always

Back

Opposes motion

Front

How does friction affect speed?

Back

More friction decreases speed.

Front

Friction is a force that acts in an ___________ direction of movement.

Back

opposite

Front

What type of friction is it when the object does not move even when external force is applied on it?

Back

static

Front

The maximum value of the force of static friction is

Back

limiting friction

Front

Static friction is a __________ force.

Back

Self adjusting

Front

If the limiting force of friction of a wooden block is 50 N, the box starts to slide when external force applied is of:
- 30 N
- 50 N
- 49 N
- 51 N

Back

51 N

Front

A force of friction which balances the applied force during the stationary state of a body is called _________

Back

Static friction

Front

Sliding friction is _________ than the static friction

Back

less