A stone of mass 296 kg is rubbed across the horizontal, Ask an Expert

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A stone of mass 2.96 kg is rubbed across the horizontal ceiling of a cave, as shown in the figure. If the coefficient of kinetic friction is 0.630 and the force applied to the stone is angled at θ = 66.3^o what must the magnitude of the applied force F be (in Newtons) for the stone to move at constant velocity?

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