what is the ideal mechanical advantage of a lift that allows you raise a 90.0-kg refrigerator with 80.0 N of force? a. 11 b.

Question

what is the ideal mechanical advantage of a lift that allows you raise a 90.0-kg refrigerator with 80.0 N of force?

a. 11
b. 7.2
c. 72
d. 1.1​

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RI SƠ 4 years 2021-08-14T09:14:39+00:00 1 Answers 169 views 0

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  1. Bo
    0
    2021-08-14T09:16:05+00:00
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    Answer:

    11

    Explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )