Basic Concepts of Force and Magnetism

Front

What is a force?

Back

A push or a pull.

Front

How does a normal force generally act?

Back

Upward to counteract the downward force of gravity.

Front

What happens to an object as it falls due to gravity?

Back

It speeds up.

Front

What is an example of gravity in action?

Back

Dropping a book on the floor.

Front

What type of force is applied when pushing a door?

Back

Applied force.

Front

What is gravity?

Back

A force that attracts two bodies towards each other.

Front

What is magnetism?

Back

A force that can attract or repel certain materials, like iron.

Front

What is the unit of force?

Back

Newton (N).

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object; weight is the force of gravity on that mass.