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Motion and Design
Review for motion and design test
Question | Answer |
---|---|
mass | the amount of matter in something |
gravity | a force of attraction between any two masses |
friction | opposes motion between two objects |
energy | the ability to do work or make something happen |
force | a push or pull |
weight | the force of gravity on an object |
potential energy | stored energy that can be released to become other forms of energy |
kinetic energy | energy associated with motion |
Newton's 1st Law | An object at rest or motion will stay at rest or motion unless acted upon by an external force |
Newton's 2nd Law | The larger the mass of an object, the more force that is needed to accelerate it |
Newton's 3rd Law | For every action there is an equal and opposite reaction |