The bar ABC is supported by a pin at A and a steel wire at B. Determine the magnitudeof force Pinlbif the elongation of the wire is 0.079 in. The cross- sectional area of the wire is 0.0028 inandthemodulus of elasticity of steel is 29005 ksi,X=3.15 ft, Y = 6.73 ft, and L = 5.76 ft. Express the final answer to four decimal places. L В Y A

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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.