Work, Energy & Power: Flash Cards

Flashcards by alex.examtime9373, updated more than 1 year ago
Created by alex.examtime9373 over 6 years ago


These flashcards outline the main points regarding work, energy and power. It can be used as a follow-on from the corresponding mind map "Work, Energy & Power" or as a stand alone resource. It is aimed at a Leaving Certificate student, or someone who has an interest in energy,

Resource summary

Question Answer
Work Force x displacement Scalar quantity Joules (J)
Energy The ability to do work Scalar quantity Joules (J)
Kinetic energy The energy a body has due to its motion E = (1/2)(m)(v)²
Potential energy The energy a body has due to its position E = mgh
Principle of conservation of energy Energy can neither be created or destroyed
Power The rate at which work is done (Work/time) Watt (W)
Power efficiency (Power input x100)/ (Power output)
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