The handle of a screw jack is 35 cm long and pitch of the screw is 0.5 cm. What force must be applied at the end of the handle to lift a load of 2000N, if the efficiency of the jack is 30% [π = 22/7]?

by | Mar 24 | Physics WAEC | 0 comments

A. 152.0N
B. 132.0N
C. 15.2N
D. 440.0N

Correct Answer:

Option C = 15.2N

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