the velocity ratio of a machine is 10 and efficiency is 80%. Determine the effort required to lift a load of 100N. what is the law of machine if the frictional resistance of the machine is constant?
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Explanation:
Distance moved by effort is 20m,that of load is 0.8m
VR=
L
d
E
d
VR=
0.8
20
VR=25
the load is 10,000N and effort=500N
MA=
effort
d
load
d
MA=
500
10000
MA=20
Answer verified
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