click below
click below
Normal Size Small Size show me how
forces and motion
Term | Definition |
---|---|
gravity | the force that atracts an object to it. |
mass | the amount of matter or substance that makes up an object |
weight | a measure of the gravitational force with which an object is drawn to the center of a massive second object, |
push | when you use force to move a thing (object) away from you. |
pull | to exert force upon so as to cause or tend to cause motion toward the force. |
friction | a force that resists the sliding or rolling of one surface over another |
force | an action that changes or maintains the motion of a body or object |
motion | the process of an object moving or being moved |
velocity | a measure of how fast something moves in a particular direction |
inertia | the tendency of a body to resist a change in motion or rest |
2'nd law | acceleration (gaining speed) happens when a force acts on a mass (object) |