Forces and Motion

Match it! Select the correct answer from the pull down...Good luck!

forces that are equal in size but opposite in direction are ____________________.

when a person pushes against a box, what is the reaction force

____________________ is a push or a pull.

A ____________________ represents the size and quantity of forces acting on an object

Inertia is related to what physical quantity

What force causes a feather to fall slower than a brick?

In order to increase the acceleration of an object we must

Gravity on earth is ___________________.