Question

A pulley system consists of one movable and another fixed pulley this pulley system is used to lift a load of 84 kgf
The effort applied is 56 kgf
then calculate the
A) VR
B) MA
C) Efficiency

Please Someone answer those 3 questions ! It's really Urgent !
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Answer 1

Answer:

load=84

effort=56

b)MA=LOAD/EFFORT=84/56=1.5kgf

or ma=n=1.5

a)vr=n=1.5

c)Efficiency =ma/vr=1.5/1.5=1

Explanation:

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