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Work Power Machines
questions on work power and machines
Question | Answer |
---|---|
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 |