Q.

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» A. work is done by a force of 1 N when it displaces a body through 1 m
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