Gravity and Motion

Front

What is Gravity?

Back

A force that attracts two bodies towards each other, proportional to their masses.

Front

What is Motion?

Back

The change in position of an object over time.

Front

What would happen to the Moon if Earth's mass increased?

Back

The Moon would fly into the Earth.

Front

What is a Force?

Back

A push or a pull that can change the motion of an object.

Front

What is Mass?

Back

The amount of matter in an object.

Front

How do satellites use gravity to get further out into space?

Back

They use gravity as a slingshot.

Front

What happens to an object in motion if no forces act on it?

Back

It continues to move at a constant velocity.

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on an object's mass.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the effect of gravity on falling objects?

Back

All objects fall at the same rate regardless of their mass, in the absence of air resistance.