| action force |
one of the pair of forces described in Newton’s 3rd law. |
| Interaction |
a mutual action between objects where each object exerts an equal and opposite force on the other |
| reaction force |
the force that is equal in strenght and opposite in direction to the action force, which acts simultaneously on whatever is exerting the action force. |
| Newton’s 3rd Law |
whenever one body exerts a force on a second body, the second body exerts an equal and opposite force on the first |
| acceleration |
rate @ which velocity changes
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