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homework 11/14
Question | Answer |
---|---|
work | the movement of an object over a distance |
power | how much work is done in a time |
force | a push or pull |
what direction does friction move in? | the opposite direction of a force |
what is the formula for force? | F=MA |
what is the formula for work? | W=FD |
What is the formula for power | P=W/T |
What is required for work to be done? | an object to move |
newton's 1st law | an object at rest will stay at rest and an object in motion will stay in motion unless acted on by an outside force. |
newton's 2nd law | F=MA |
newton's 3rd law | every action has an equal and opposite reaction |
mass | how much matter something has |
weight | gravity acting on a mass |
what is the measurement of gravity on earth? | 9.8 m/s^2 |
what is the formula for weight? | Mass x Gravity=Weight |