Also If you can find b) What Force (mag and direction) does the hinge exert on t

Question

Also If you can find b) What Force (mag and direction) does the hinge exert on the bridge?

A drawbridge consists of a 1200. kg uniform rectangular plane (3.00 m by 4.00 m). It is hinged at one end and supported at the other by a chain attached at the centre top (diagram (a)). The other end of the chain is wrapped around a winch so that the bridge can be raised and lowered. Suppose that while raising the bridge, the winch jams. Diagram (b) shows a side-view of the configuration of the bridge and chain at this moment. a) What is the tension in the chain?

Explanation / Answer

Tension in the chain is F cos 50

Tension = 1200*9.8 cos 50

Tension = 7559 N

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