Forces and Motion

Front

What is a force?

Back

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

Front

What are balanced forces?

Back

Balanced forces are forces that are equal in size but opposite in direction, resulting in no change in motion.

Front

What are unbalanced forces?

Back

Unbalanced forces are forces that are not equal and can cause an object to move or change its motion.

Front

What happens when two north poles of magnets are brought together?

Back

The north poles will repel each other.

Front

What happens when a north pole and a south pole of magnets are brought together?

Back

The north pole and south pole will attract each other.

Front

What is mass?

Back

Mass is the amount of matter in an object, usually measured in grams or kilograms.

Front

How does mass affect motion?

Back

An object with more mass requires more force to move the same distance as an object with less mass.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward each other, such as the Earth pulling objects toward its center.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact.

Front

What is a push?

Back

A push is a force that moves an object away from the source of the force.