Asked by Simon
A 120kg fridge requires 610N to just move it across the floor, if the coefficient of kinetic friction is 0.2, determine the force required to continue pushing it s constant velocity.
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Answered by
Nonetheless
Constant velocity means net force is 0.
Fa + Fk = 0
Fa + (120 kg)(-9.81 m/s^2)(0.2) = 0
Fa = 235.44 N
Fa + Fk = 0
Fa + (120 kg)(-9.81 m/s^2)(0.2) = 0
Fa = 235.44 N
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