Conservation of mass Flashcards
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1
Q
What is the law of conservation of energy
A
energy can neither be created nor destroyed - only converted from one form of energy to another.
2
Q
What is the equation for work done?
A
Work done (J) = Force Appliced (N) x Distance Force is Applied Over (m)
3
Q
What is useful energy?
A
Energy used for the intended purpose (e.g turn on a light)
4
Q
What is wasted energy?
A
Energy not used for the intended purpose lost during other transfers of energy (e.g friction, air resistance or heat loss)