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A thin horizontal bar AB of negligible weight and length L is pinned to a vertical wall at A and supported at B by a thin wire Be that makes an angle 8 with the horizontal. A weight W can be moved anywhere along the bar as defined by the distance x from the wall (Fig). (a) Find the tension T in the thin wire as a function of x. (b) Find the horizontal and the vertical components of the force exerted on the bar by the pin at A. (c) With W = 315 N, L = 2.76 m, and θ = 32.0°, find the maximum distance x before the wire breaks if the wire can withstand a maximum tension of 520 N.

A thin horizontal  bar AB of negligible weight and length L is pinned  to a vertical  wall at A and supported  at B by a thin wire Be that makes an angle 8 with the horizontal. A weight W can be moved  anywhere  along the bar as defined by the distance x from the wall (Fig). (a) Find the tension T in the thin wire as a function of x. (b) Find the horizontal  and the vertical components  of the force exerted on the bar by the pin at A. (c) With W = 315 N, L = 2.76 m, and θ = 32.0°, find the maximum  distance  x before  the wire breaks if the wire can withstand a maximum tension of 520 N.

Grade:10

1 Answers

Jitender Pal
askIITians Faculty 365 Points
8 years ago
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