Homework Answers
Given the figure,
we can see that correct equation would be
tan = dn
/ de
------------------------------------------------------------------------------------------------------
Use
cos = adjacent /
Hypotenuse
so,
cos = Fx
/ F
cos = 4.5 / 15
= arccos (4.5 /
15)
= 72.54
degree
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To understand the role of friction in a state of equilibrium. A chair weighing 120 NN...
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equilibrium.
A chair weighing 120 NN rests on a level floor that is not
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that is directed at an angle of 42.0 ∘∘ with the horizontal.(Figure
1) Assume that the chair is stationary but is on the verge of
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equilibrium.
A chair weighing 120 NN rests on a level floor that is not
frictionless. A man pushes on the chair with a force FFF = 43.0 NN
that is directed at an angle of 42.0 ∘∘ with the horizontal.(Figure
1) Assume that the chair is stationary but is on the verge of
sliding.
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