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A plane inclined at an angle at 30o to the horizontal has an efficiency...

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Question 89
A
403N
B
60N
C
120N
D
200N
E
240N
Explanation
E = M.A/V.R ; 50/100 = M.A/2
M.A = 1; L/E = 1
E = L = 120N

Correct option: C

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