1.
The pull of gravity on an object
2.
caused by an object's surface rubbing against another.
3.
The upward push of a liquid or gas on an object.
4.
also known as net force
7.
The fixed point about which an object turns.
8.
A state in which opposing forces are balanced.
9.
movement in reverse of the direction of a clock.
10.
a push or a pull on an object to make it move.