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Work and S. Machines

QuestionAnswer
What is work? when a force causes an object to move in the same direction that the force is applied
What is force? a push or pull
What is power? how quickly work is done
What is friction? force that brings nearly everything to a stop
What is the mechanical advantage? ratio of output force to the output force
What is input force? the force you apply to a machine
What is output force? the force that the machine applies due to input force
What is effiency? ratio of output work to output work
What is compound? made of sperate peices or parts
What is a simple machine? a machine that works with only one movement
What is compound machine? a machine made out of more than 1 simple machines
What is an inclined plane? a flat sloped surface
What is a wedge? an inclined plane that moves
What is a screw? an inclined plane wrapped around a cylinder or post
What is a lever? a rigid or plank or rod that pivots, or rotates, about a point
What is a wheel and axle cosists of 2 circular objects of different sizes attached in a way to where they rotate together
what is a pulley? a grooved wheel with a rope or cable wrapped over it
Created by: Cobee
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