Biological Forces

Passengers are rushed backward when a car stops suddenly.

• True

• False

Friction is a property of an object has to resist the change of its state.

• True

• False

Slowing down of a moving bicycle on a road by brakes is due to its inertia

• True

• False

Friction prevents feet from slipping on roads during walking.

• True

• False

Friction causes a great loss of electric energy because this energy is changed into heat energy.

• True

• False

Tags

NGSS.MS-PS3-5

Car tyres are covered with a very smooth substance to increase the friction with roads.

• True

• False

Friction always opposes motion.

• True

• False

Lubricants and oils have no effect on friction.

• True

• False

Friction may occur between the surface of a solid object and air.

• True

• False

Car brakes are from applications on friction forces.

• True

• False