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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 |