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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? |
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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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