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Work Power Machines

questions on work power and machines

QuestionAnswer
What is work? Work is whats done when a force causes an object to move in the direction of the force
How is work calculated? Work = amount of force X distance the object moved
What is power? Power is how quick energy converts to another object
How is power calculated? Power = Work divided by Time
What is a machine? Something that makes work easier
What is work input? The work you do on a machine
What is work output? The work done by a machine
What is mechanical advantage? How much force the machine increases
What is mechanical efficiency? It compares a machines work input to its work output