3. A block weighing 600 N rests on an inclined plane at 12° to the horizontal. The coefficient of friction is 0.41. Show
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3. A block weighing 600 N rests on an inclined plane at 12° to the horizontal. The coefficient of friction is 0.41. Show
3. A block weighing 600 N rests on an inclined plane at 12° to the horizontal. The coefficient of friction is 0.41. Show that the formula to slide the box down the plane is F = W tan (B-a). Calculate the horizontal force required to slide it DOWN the plane. (Answer 109 N)