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Force etdu Mouvement
Force and Motion
Question | Answer |
---|---|
Force | idea used to describe the cause of motion or a change in the motion of a body. |
Newton | unit of force. |
Gravity | FORCE, attractive, between all masses in the universe. |
Friction | FORCE, opposes the sliding motion of one object in contact with another. |
Lubricant | SUBSTANCE, capable of reducing friction by making surfaces smooth or slippery |
Weight | FORCE, due to the attraction between a body and the Earth. |
Hooke's Law | EXTENSION, elastic SUBSTANCE, directly proportional to extending force. |
Electrical Force example | charged particles to move in a circuit, this is electrical current. |
Frictional Forces example | brakes of cars and bicycles to slow down or stop. |
Elastic Forces example | springs can be used to provide comfort. |
Tensile Forces example | nylon ropes that hold the weight of mountain climbers. |
Compressive Forces example | house sitting on foundations |