Question: A worker is being transported using a chair that is suspended from a frictionless pulley that can roll freely on the support cable ABC and

A worker is being transported using a chair that is suspended from a frictionless pulley that can roll freely on the support cable ABC and is pulled at a constant speed by the cable CD

.

If the angles are known, a

= 30

and B

= 15,

and if the combined weight of chair and the worker is

1200

,

determine a

)

The tensions is the support cable ABC b

)

Then tension in the cable is CD

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