A machine requires 1000J of work to raise a load of 500N through a vertical distance of 1.5m. Calculate the efficiency of the

a

80%

b

75%

c

50%

d

33%

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Explanation

Correct Option
b

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Discussions (13)

kingsolee
4 years ago

500*100=500,000
50,000/100=50
50*1•5=75

Faithi06
2 years ago

What is the formula pls

e=750/1000
=0.75
0.75*100
=75%✍️

yusuftunjii
2 months ago

W=f×d
1000/1.5=666.6N
L/E×100
500/666.6= 0.75
0.75×100= 75%

Stekesh5
1 year ago

yes

Stekesh5
1 year ago

the question is wrong

nwokogift
3 years ago

Everything is actually correct

Ibrahimsalami
5 years ago

The question is wrong but the working is CRT.

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