Question: What force F is required to keep body A ( with weight W ) from sliding. Please draw the free body diagram of the body

What force

F

is required to keep body

A (

with weight

W)

from sliding. Please draw the free body diagram of the body A

.

Also, write the equilibrium equations for body

A

as a function of the angle

and express the rope tensions as a function of

F .

No need to solve the equations! Important, consider friction between the rope and all wheels as well as between body A and the ground, both friction coefficients are

_{s} .

Note, the belt equation is

\frac{T_{2}}{T_{1}} =

exp

(_{s}) .

What force F is required to keep body A ( with

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