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

Answer 1

6*7

Answer 2

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

Answer 3

490

Answer 4

Yes

Answer 5

Please solve the calculation

Answer 6

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