Calculate the acceleration of the sled

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A father pulls his child on a sled by pulling on rope over his shoulder. He exerts a force of 50 N at an angle of 30*.

a) Using the coefficient of friction for steel on ice, calculate the acceleration of the sled if its mass plus the child's is 20 kg, assuming the sled is already in motion.

b) What minimum force must the father exert to start the sled moving from rest?

Reference no: EM131436211

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