1
Q
Work done on an object by a force
A
the product of the displacement of the
object and the component of the force parallel to the movement
2
Q
The work-energy theorem
A
the work done on an object by a net force is equal to the change in the kinetic energy of the object.
3
Q
Power (PS)
A
the rate at which work is done.
4
Q
Efficiency
A
the ratio of output power to input power
5
Q
Watt
A
The power when one joule of work is done in one second
Physics
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