Gravity

Front

What is gravity?

Back

Gravity is a force that pulls objects towards each other, especially towards the Earth.

Front

What does 'down' mean in terms of gravity?

Back

'Down' means towards the Earth.

Front

What does 'up' mean in terms of gravity?

Back

'Up' means away from the Earth.

Front

What is a force?

Back

A force is a push or pull acting on an object.

Front

What two factors determine the strength of gravity?

Back

The strength of gravity is determined by mass and distance.

Front

What is friction?

Back

Friction is a force that opposes the movement of an object.

Front

How does friction affect a moving ball?

Back

Friction will slow the movement of a ball as it rolls.

Front

What happens to objects in free fall?

Back

Objects in free fall are pulled down by gravity and accelerate towards the Earth.

Front

What is mass?

Back

Mass is the amount of matter in an object.

Front

What is distance in relation to gravity?

Back

Distance refers to how far apart two objects are, which affects the strength of gravity between them.