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What is work?
Work is done when a force causes displacement — W = F × d × cosθ
What is the SI unit of work?
Joule (J) — 1 Joule = 1 Newton × 1 metre
What is energy?
The capacity to do work — measured in Joules (J)
What is kinetic energy?
Energy possessed by an object due to its motion — KE = ½mv²
What is potential energy?
Energy possessed by an object due to its position or configuration — PE = mgh
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