Asked by Esther
A block of tackle system of pulley consisting of 5 pulleys is used to raise a mass of 25kg through a vertical distance of 40cm at a steady rate. If the effort is equal to 60N, determine:
a) The distance moved by the effort.
b) The work done by the effort in lifting the load.
c) The loss in energy involved in operating the machine.
a) The distance moved by the effort.
b) The work done by the effort in lifting the load.
c) The loss in energy involved in operating the machine.
Answers
Answered by
R_scott
a) effort distance is five times load distance
b) effort distance multiplied by effort (60N)
c) lost energy = effort work - load work
... load work = m * g * h
b) effort distance multiplied by effort (60N)
c) lost energy = effort work - load work
... load work = m * g * h
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