The amount of power required to do 1 joule of work in 1 second.
The transfer of energy to an object by a force that causes the object to move in the direction of the force
The quantity that measures the rate at which work is done
Nm is a derived unit that is equivalent to this
A Watt is equivalent to this derived unit
Work = Force x distance (W =Fd)
Formula for Work
The unit for power was named after a Scottish inventor who played an important role in the development of the steam engine
The type of force put into a machine to make it work; usually spread out over a large distance
A ratio of the output force and the input force
The type of force a machine applies to accomplish a task
James Prescott Joule
The unit of work was named after this English physicist
- Newton meter
- kilogram times meter squared per
The units of work include...
A device that can multiply and change the direction of an input force.
- Joule per second
Units for power
What is done when a force makes an object move? The units are _____.
Mechanical advantage; None
The amount that a machine multiplies force or distance. The units are _____.
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