A uniform ladder weighing 100N leans against a smooth vertical wall with its lower end resting on a rough floor, the ladder making an angle of 70o with the horizontal. Find (a) the force exerted by the wall on the ladder and (b) the force exerted by the floor at the lower end of the ladder.

College Physics
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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21.A uniform ladder weighing 100N leans against a smooth vertical wall with its lower end
resting on a rough floor, the ladder making an angle of 70o with the horizontal. Find (a)
the force exerted by the wall on the ladder and (b) the force exerted by the floor at
the lower end of the ladder.

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