Chapter Ten - Forces

VOCABULARY:

a push or a pull

• friction

• force

• gravity

• magnitude

VOCABULARY:

the strength of a force

• friction

• force

• gravity

• magnitude

VOCABULARY:

the force that two substances exert on each other when they rub against each other

• friction

• force

• gravity

• magnitude

VOCABULARY:

a force that can act at a distance to pull objects towards each other

• friction

• force

• gravity

• magnitude

VOCABULARY:

a measure of the amount of matter in an object

• inertia

• mass

• weight

VOCABULARY:

a measure of the force of gravity on an object

• inertia

• mass

• weight

VOCABULARY:

the resistance to change in motion

• inertia

• mass

• weight

TRUE OR FALSE:

A force is described by its magnitude and by the direction in which it acts

• TRUE

• FALSE

TRUE OR FALSE:

The net force determines if and how an object will accelerate

• TRUE

• FALSE

TRUE OR FALSE:

The law of universal gravitation states that the force of gravity acts between most objects in the universe that have mass as long as they are very massive

• TRUE

• FALSE