1.

e. Ravi applied a force of 10 N andmoved a book 30 cm in the directionof the force. How much was thework done by Ravi?

Answer»

Given :

Force =F=10NDisplacement =S=30cm=30/100=0.3mWorkdone =?

Formula to be used:

Workdone =Force X displacement =10x0.3 =3N-m or Joules

∴Workdone is 3 joules

3 joules is the right answer

workdone=F*D10*0.3=3joule

Work done is 3 Joule

Work done is 3 J W=F×s =10N×0.3m =3J



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