That the climate changes during the day and night high to low
The force applied to lift the crate is 171 N
Explanation:
The lever works on the principle of equilibrium of moments, so we can write:

where
is the force in input
is the arm of the input force
is the output force
is the arm of the output force
For the lever in this problem, we have:


(force applied)
Solving the equation for
, we find the force applied to lift the crate:

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A wave created by shaking a rope up and down is called a:
(According to me and certified experts) Transverse wave.
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Mechanical Advantage = Force by Hammer / Force by Nail = 160/40 = 4
The river that flows through Rome is the Tiber.