A contestant in a winter games event pushes a 31 kg block, Ask an Expert

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a contestant in a winter games event pushes a 31 kg block of ice across a frozen lake. the coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03 (Assume theta = 23 degrees.)

A) Calculate minimum Force he must exert to get moving back.

B) What is its acceleration once it starts to move if that is maintainted?

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