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A uniform ladder is 16 m long and weighs 240 N. In the figure, the ladder...

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Physics

A uniform ladder is 16 m long and weighs 240 N. In the figure,the ladder leans against a vertical, frictionless wall at heighth = 7.0 m above the ground. A horizontal force F→ isapplied to the ladder at distance d = 2.8 m from its base(measured along the ladder). If force magnitude F = 46 N,what are (a)x-,(b)y-components of the force of theground on the ladder? If F = 140 N, what are(c)x-,(d)y-components of the force of theground on the ladder? (e) Suppose the coefficientof static friction between the ladder and the ground is 0.34; forwhat minimum value of the force magnitude F will the baseof the ladder just barely start to move toward the wall?

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4.4 Ratings (779 Votes)
Summing forces in the vertical    See Answer
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