Asked by Akinola

A block and tackle system of pulleys consisting of 5 pulleys is used to raise a load of 500 N through a height of 12m. If the total work done by the system is 7200 J. calculate the 1. Work done against friction 2. Efficiency of the system
Answered by Jake
6*7
Answered by khadija
A block and tackle system of pulleys consisting of 5 pulleys is used to raise a load of 500N through a height of 12m. If the total work done by the system is 7200j calculated the work done against friction and calculated the efficiency of the system
Answered by Sada Hannah
490
Answered by Oppong
Yes
Answered by Mhiz
Please solve the calculation
Answered by John
Need answer to question. A block and tackle system of pulleys consisting of 5 pulleys is used to raise a load of 500 N through a height of 12m. If the total work done by the system is 7200 J. calculate the 1. Work done against friction 2. Efficiency of the system
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