A. 28.0N
B. 48.0N
C. 288.0N
D. 50.0N
Correct Answer:
Option D = 50.0N
Explanation
V.E = 6, load = 120N
Efficiency = M.A x 1/V.R x 100%
40 = 120/effort x 1/6 x 100/1
Effort = 50N
A. 28.0N
B. 48.0N
C. 288.0N
D. 50.0N
Correct Answer:
Option D = 50.0N
Explanation
V.E = 6, load = 120N
Efficiency = M.A x 1/V.R x 100%
40 = 120/effort x 1/6 x 100/1
Effort = 50N
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