A flexible chain weighing 40.0 N hangs between two hooks located at the same height. At each hook, the tangent to the chain makes an angle θ = 42.0° with the horizontal. Find (a) the magnitude of the force each hook exerts on the chain and (b) the tension in the chain at its midpoint. (Suggestion: for part (b), make a free‐body diagram for half of the chain.)

## This question was asked on Mar 18, 2010.

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