Force

Front

What can forces change about an object?

Back

Forces can change the speed, direction, or shape of an object.

Front

What happens to an object at rest if no forces act on it?

Back

The object will stay at rest.

Front

What is gravity?

Back

Gravity is the force that attracts objects towards the center of the earth.

Front

What is air resistance?

Back

Air resistance is the force that acts in the opposite direction to objects moving in the air.

Front

What types of forces exist?

Back

Forces can be pushes and pulls.

Front

What is a force?

Back

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

Front

What is the effect of a balanced force on an object?

Back

Balanced forces do not change the motion of an object.

Front

What is an unbalanced force?

Back

An unbalanced force causes an object to accelerate or change its motion.

Front

How does mass affect the force of gravity on an object?

Back

The greater the mass of an object, the stronger the gravitational force acting on it.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it is in contact with another surface.