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ICSE Class 10 Answered

A block of mass of 4 kg is drawn at a constant speed a distance of 5m along a horizontal Floor by a rope exerting a constant force of 10 Newton making an angle of 60° with the horizontal find the total work done on the block and the work done by the rope on the block
Asked by Samrat | 30 Jun, 2018, 07:05: PM
answered-by-expert Expert Answer
Workdone = begin mathsize 12px style F with rightwards arrow on top times stack d s with rightwards arrow on top space equals space F cross times d s cross times cos theta space equals space 10 cross times 5 cross times 1 half space equals space 25 J end style
Wokdone on the block and Workdone by the rope all are same.
Answered by Thiyagarajan K | 02 Jul, 2018, 02:57: PM

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