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Unit 7 Lessons 123
| Term | Definition |
|---|---|
| Force | a push or pull exerted on an object i order to change the motion of an object |
| Static friction | the force that resists the start of sliding motion between two surfaces that are in contact and at rest |
| Kinetic Friction | the force that opposes the movement of two surfaces that are in contact and are movig over eachother |
| Drag | a force parallel to the velocity of the flow |
| Field | any region in which a physical force has an effect |
| Net force | the combination of all of the forces acting on an object |
| Inertia | the tendency of an object to resist a change in motion unless an outside force acts on the object |
| Gravity | a force of attraction between objects that is due to their masses |
| Free Fall | the motion of a body when only the force of gravity is acting on the body |
| Orbit | the path that a body follows as it travels around another body in space |
| Electric Charge | a fundamental property that leads to the electromagnetic interactions among particles that make up matter |
| Static Electricity | electric charge at rest; generally produced by friction or induction |
| Electrical Conductor | a material in which charges can move freely |
| Electrical Insulator | a material in which charges cannot move freely |
| Semiconductor | an element or compound that conducts electric current better than an insulator does but not as well as a conductor does |
Created by:
jg.18589
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