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A sled of mass 26 kg has an 18 kg child on it. If big brother is pulling with a 30 N force to the

A sled of mass 26 kg has an 18 kg child on it. If big brother is pulling with a 30 N force to the right and 10 N up, and big sister is pushing with a 40 N force to the right and 16 N down. Assuming that k = 0.12, calculate: The force of friction The acceleration of the sled

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