Mechanical Advantage may be calculated using all of the following except ___.

1 answer:

4 0

The only exception of calculating mechanical advantage is by multiplying resistance force by effort force. For example, in calculating the mechanical advantage of a lever, we consider its output and input forces. The equation would now be as follows:

Mechanical advantage = output force / input force

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Read 2 more answers

A teacher gives a test to two algebra classes. The first class has 18 students, and the second has 24 students. If the average f

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Answer:

The C) statement is true.

Explanation:

Let's call $x_1$ the average for the first class and $x_2$ the average for the second class. The overall average x is then:

$x=\frac{x_1*18+x_2*24}{18+24}\\x=\frac{84*18+x_2*24}{42}\\x=\frac{1512+x_2*24}{42}$

Since the average is given by $Average=\frac{Sum of all values}{Amount of values}$ . We can now calculate x assuming the maximun and minimun values of $x_2$ , 2400 (which is 100 times 24) and 0 respectivly. That gives: