Determine the upward force exerted on the board by each person

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Q: 1 m 1 m Im- -2 m B. 900 N-m 1.5 m

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Q: 7. A uniform ladder of mass (m = 15.0 kg) and length (L) leans against a frictionless wall, see…

A: Draw the diagram.

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!