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16-02-2017
Chemistry

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If this were a frictionless plane, what would be the ideal mechanical advantage?

A H + 9H = 10H
B H ÷ 9H = 1 ÷ 9
C 9H ÷ H = 9

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JaniceneshiaSmith15 JaniceneshiaSmith15

16-02-2017

The answer is C)
mechanical advantage (MA = slope/height)
here length of slope = 9Hheight = H so mechanical advantage = ---- 9H/H= 9

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