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QUESTION
A 100-N uniform plank leans against a frictionless wall. The magnitude of the torque (about the point P) applied to the plank by the wall is:
A 100-N uniform plank leans against a frictionless wall. Themagnitude of the torque (about the point P) applied to the plank by the wall is:(Plank makes a 3-4-5 triangle with the wall and the floor)
