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Q. A diving board length = 5.40 that weighs 230 is supported by two pillars. One pillar is at the left end of diving board; the other is distance = 1.60 away. Determine the magnitude of the force exerted by the left pillar while a 90.0 diver stands at the far end of the board.

Q. An 8.20 kg chair is pushed across a frictionless floor with a force of 42N that is applied at an angle of 22° downward from the horizontal. What is the magnitude of the acceleration of the chair?

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