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

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

Back

static

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

Front

Rolling friction is _______ than sliding and static friction

Back

Lesser

Front

What kind of substances are known as lubricants?

Back

Decrease friction

Front

Friction produced due to fluids is called

Back

Drag

Front

Which is a/are streamlined object? Options: Aeroplane, Boat, Ship, All the above

Back

All the above