A load of 300N is to be lifted by a machine with a velocity ratio of 2 and an efficiency of 60%. What effort will be applied to lift the load?

a

100N

b

150N

c

250N

d

400N

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Explanation

Correct Option
c

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Discussions (3)

Sensei
2 months ago

correct solving time 5sec

Idinaka
5 months ago

U said 3000 instead of 300

Olahnrewaju
1 year ago

try using this formula:n=L/E×VR
where n=efficiency
L=Load
E=effort
VR=Velocity Ratio

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