Force, Motion and Magnetism

Front

What is force?

Back

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

Front

What is motion?

Back

The change in position of an object over time.

Front

What is magnetism?

Back

A force that can attract or repel certain materials, especially metals.

Front

What are the two main types of forces?

Back

Contact forces and non-contact forces.

Front

What is friction?

Back

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

Front

What is gravity?

Back

A force that pulls objects toward each other, such as the Earth pulling us down.

Front

What is acceleration?

Back

The rate at which an object changes its velocity.

Front

What are the poles of a magnet?

Back

The ends of a magnet where the magnetic force is strongest, called the North pole and South pole.

Front

What happens when like poles of magnets are brought together?

Back

They repel each other.

Front

What happens when opposite poles of magnets are brought together?

Back

They attract each other.