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For each pair of terms, explain the difference in their meanings.


joule/watt


work output/work input


mechanical efficiency/mechanical advantage


screw/inclined plane


simple machine/compound machine

Verified Answer :

newmanalex25

the SI unit of power, equivalent to one joule per second, corresponding to the power in an electric circuit in which the potential difference is one volt and the current one ampere.the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour.- joule

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