S.I unit of work done - Mechanics

Q.  What is the S.I unit of work done?
- Published on 18 Sep 15

a. Joule
b. Newton meter
c. Both a. and b.
d. None of the above

ANSWER: Both a. and b.
 

    Discussion

  • Sravanthi   -Posted on 15 Dec 15
    - The product of force and the distance over which force is applied is work done.

    -Work done = Force x displacement

    Force is measured in Newton and displacement in meter. Therefore, the unit of work done is N.m

    - Joule = Nm = Pa m3

    here, Pa is Pascal, N is Newton, m is meter.

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