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Science
Physics
| Question | Answer |
|---|---|
| physics | |
| force | a push or pull exerted on an object |
| net force | overall force on an object when all the individual forces acting on an object are added together |
| balanced force | equal forces acting on an object in opposite directions |
| unbalanced force | a nonzero net force that changes an object's motion |
| matter | |
| mass | |
| weight | |
| motion | |
| gravity | the force that pulls object toward each other |
| speed | |
| velocity | |
| acceleration | |
| inertia | tendency of a moving object to continue in a straight line or of a stationary object to remain in place |
| newtons | |
| energy | ability to do work or cause change, such as moving an object some distance |
| kinetic energy | energy that an object has becase of its motion |
| potential energy | energy that is stored and held in readiness |
| Law of Conservation of Energy | the rule that energy cannot be created or destroyed |
| friction | force that one surface exerts on another when the two rub against each other |
| pendulum | |
| energy transformation |