Work, Energy and Power Flashcards
1
Q
Define work done
A
Work done by a force on a body is the product of the force and the displacement in the direction of the force.
W = Fd
2
Q
What is the Principle of Conservation of Energy
A
Energy can neither be created nor destroyed, but it can be transformed from one form to another
3
Q
Define energy efficiency
A
The energy efficiency of a device is the ratio of useful energy output to the energy input
4
Q
Define power
A
Power is defined as the rate at which work is done
