Question: Consider again the block that is being pulled in Problem 5. Determine the angle e at which the force that is requires to pull the

Consider again the block that is being pulled in Problem 5. Determine the angle e at which the force that is requires to pull the box is the smallest. What is the magnitude of this force?
I problem 5
A box of mass m = 25 kg is being pulled by a rope. The force that is required to move the box is given by:
F = Î¼mg/cosÎ¸ + Î¼sinÎ¸
where Î¼ = 0.55 is the friction coefficient and g = 9.81 m/s2. Determine the angle Î¸, if the pulling force is 150 N.

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