Gravity & Inertia

Front

What is force?

Back

A push or a pull on an object

Front

Because of inertia, a moving object will keep ________.

Back

moving

Front

Because of inertia, a resting object will remain at ________.

Back

rest

Front

A force which tries to pull two objects towards each other is

Back

gravity

Front

To change the motion of an object, inertia must be overcome by a __________ acting on the object.

Back

force

Front

What two forces affect gravity?

Back

mass and distance

Front

Larger masses have a

Back

stronger gravitational force

Front

Holds the Earth and other planets in orbit around the Sun.

Back

The Sun's gravitational force

Front

What forces cause a planet to orbit?

Back

gravity and inertia

Front

What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear?

Back

They will fly away in straight lines.