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What is the meaning of one joule ?...

What is the meaning of one joule ?

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One joule is the amount of work done on an object when a force of 1 Newton displaces it by 1 m along the line of action of the force.
If F = 1N, s = 1 m then the work done
`W=F times s=1N times 1m=1N-m=1 " Joule"`
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