| interaction: |
A mutual action between objects where each object exerts
an equal and opposite force on the other.
|
| action force: |
One of the pair of forces described in Newton’s 3rd Law. |
| reaction force: |
The force that is equal in strength and opposite in direction to the action force, which acts simultaneously on whatever is exerting the action force. |
| Newton's 3rd Law: |
For every force, there is a reaction force, equal in magnitude and opposite in direction. |
| pressure: |
The force applied to a unit area of surface. |
| force: |
A push or a pull upon an object. |
| mass: |
The amount of matter in an object. |
| weight: |
The force on a body due to a gravitaional attraction of another body. |
