An effort of 50 N is applied on a simple machine through a distance of 0.6m.As a result of load 300N moves through a distance 7.5cm, Calculate Work done by a machine (joule)
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In a lifting machine, an effort of 500 N is to be moved by a distance of 20 m to raise a load of 10000 N by a distance of 0.8 m. Determine the velocity ratio and mechanical advantage?
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Correct option is
D
25 and 20
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
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