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What is one joule equal to?

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What is one joule equal to?


1. 1 N
2. Pa.m3
3. C.W
4. All the above
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1 Answer

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Correct Answer - Option 2 : Pa.m3

Newton (N) is the SI unit of force.

Joule is the SI unit of energy 

1Joule = N-m = 1 kg m2s-2 

Pascal (Pa) is the SI unit of pressure

1 Pascal or 1 Pa = N / m2 = 1 kg m-1s-2

∴ 1 Joule = 1 Pa.m3

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