Questions from Mechanics


Q: A square wood column with side dimensions b (see figure)

A square wood column with side dimensions b (see figure) is constructed of a structural grade of southern pine for which Fc = 10.5 MPa and E = 12 GPa. An axial force P = 200 kN acts on the column. (a)...

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Q: A square wood column with side dimensions b (see figure)

A square wood column with side dimensions b (see figure) is constructed of a structural grade of spruce for which Fc = 900 psi and E = 1,500,000 psi. An axial force P = 8.0 kips acts on the column. (a...

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Q: A square wood column with side dimensions b (see figure)

A square wood column with side dimensions b (see figure) is constructed of a structural grade of eastern white pine for which Fc = 8.0 MPa and E = 8.5 GPa. An axial force P = 100 kN acts on the column...

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Q: A brass bar (E = 100GPa) with a square cross

A brass bar (E = 100GPa) with a square cross section is subjected to axial forces having a resultant P acting at distance e from the center (see figure). The bar is pin supported at the ends and is 0....

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Q: A square aluminum bar with pinned ends carries a load P =

A square aluminum bar with pinned ends carries a load P = 25 kips acting at distance e = 2.0 in. from the center (see figure). The bar has a length L = 54 in. and modulus of elasticity E = 10,600 ksi....

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Q: A pinned-end column of a length L = 2.

A pinned-end column of a length L = 2.1 m is constructed of steel pipe (E = 210GPa) having an inside diameter d1 = 60 mm and outside diameter d2 = 68 mm (see figure). A compressive load P = 10 kN acts...

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Q: A pinned-end strut of a length L = 5.

A pinned-end strut of a length L = 5.2 ft is constructed of steel pipe (E = 30 × 103 ksi) having an inside diameter d1 = 2.0 in. and outside diameter d2 = 2.2 in. (see figure). A compress...

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Q: Select a steel wide-flange column of a nominal depth of

Select a steel wide-flange column of a nominal depth of 12 in. (W 12 shape) to support an axial load P = 175 kips (see figure). The column has pinned ends and length L = 35 ft. Assume E = 29,000 ksi a...

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Q: A circular aluminum tube with pinned ends supports a load P =

A circular aluminum tube with pinned ends supports a load P = 18 kN acting at a distance e = 50 mm from the center (see figure). The length of the tube is 3.5 m, and its modulus of elasticity is 73 GP...

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Q: A steel W12 × 35 column is pin-supported at the

A steel W12 × 35 column is pin-supported at the ends. The column carries an axial load P = 150 kips with eccentricity e = 3 in. (see figure). Find the length of the column if the maximum...

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