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1. |
_ The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)$? |
A. | P = mW - C |
B. | P = m/W + C |
C. | P = mW + C |
D. | P = C - mW |
Answer» D. P = C - mW | |