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One joule means that

[A].	work is done by a force of 1 N when it displaces a body through 1 m	[B].	work is done by a force of 1 kg when it displaces a body through 1 m
[C].	work is done by a force of 1 dyne when it displaces a body through 1 cm	[D].	work is done by a force of 1 g when it displaces a body through 1 cm

Answer: Option A