What is the mechanical advantage of an inclined plane that has a length of 9 feet and a height of 3 feet?
Answer
A
3
B
27
C
6
D
0 point 3
Explanation
For an inclined plane, mechanical advantage equals the length divided by the height. Divide 9 feet by 3 feet: 9 ÷ 3 = 3. The mechanical advantage is 3, choice A.
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