IS_Section Quiz_11.4_e

Friction acts on objects only when the objects are in contact.

• True

• False

Friction does not act on moving objects.

• True

• False

Friction only act in horizontal directions.

• True

• False

The air resistance acting on an object depends on the object’s speed.

• True

• False

Friction only causes inconvenience to us.

• True

• False

Friction can act on objects at a distance.

• True

• False

Friction does not act on stationary objects.

• True

• False

If the friction is greater than the applied force acting on a moving object, the friction will cause the object to slow down to a complete stop.

• True

• False

The direction of friction is always opposite to weight.

• True

• False

Friction can be reduced by separating the surfaces by an air cushion.

• True

• False