For the frame and loading shown, determine the reactions at A and E when a = 30° . 20 Ib 3 in. -10 in- RE = RAy = 3 in. 20 lb 5 in. RAx = D 8 in.

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A: FOR SAE 1040 hot rolled section yield stress is given byσy=415mpawe have σy=PAreaArea=π4d2d=dia

Q: Problem 12-Method of Sections 2m 2m 10 11 12 13 10

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Q: PDE = 2000 lb A₁ = 2000 lb 19 B 119 A 119 D 4 A 40 K G 3000 lb 1000 lb = 4000 lb (b)

A:

Q: W P'

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Q: 5' Bk G E F

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.