Force

1. Pull

1.1. or

1.1.1. Push

2. Effects on an object

3. include

3.1. Frictional force

3.1.1. New node

3.2. Elastic spring force

3.2.1. New node

3.3. Gravitional force

3.3.1. Definition:

3.3.1.1. How do we measure the force of gravity?

3.3.1.1.1. Weight

3.3.1.1.2. Mass

3.4. Magnetic force

3.4.1. New node