Q. If the given forces P₁, P₂, P₃, P₄ and P₅ which are co planar and concurrent are such that the force polygon does not close, then the system will

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Q. If a bar of sections of two different length and different diameters are in a line and P load is acting axially on them then what will be the change in length of the bar?

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Q. How does the elastic constant varys with the elongation of body?

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Q. A composite rod is 1000mm long, its two ends are 40 mm² and 30mm² in area and length are 400mm and 600mm respectively. If the rod is subjected to an axial tensile load of 1000N, what will be its total elongation(E = 200GPa)?

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Q. A mild steel wire 5mm in diameter and 1m ling. If the wire is subjected to an axial tensile load 10kN what will be its extension?

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Q. A composite rod is 1000mm long, its two ends are 40mm² and 30mm² in area and length are 300mm and 200mm respectively. The middle portion of the rod is 20mm² in area. If the rod is subjected to an axial tensile load of 1000N, what will be its total elongation (E = 200GPa)?

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Q. A rod of two sections of area 625mm² and 2500mm² of length 120cm and 60cm respectively. If the load applied is 45kN then what will be the elongation (E = 2.1x 10⁵ N/mm²)?

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Q. What will be the elongation of a bar of 1250mm² area and 90cm length when applied a force of 130kN if E = 1.05x 10⁵ N/mm²?

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Q. A steel bar of 20mm x 20mm square cross-section is subjected to an axial compressive load of 100kN. If the length of the bar is 1m and E=200GPa, then what will be the elongation of the bar?

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Q. A solid uniform metal bar is hanging vertically from its upper end. Its elongation will be _________

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Q. A member ABCD is subjected to points load P₁=45kN, P₂, P₃=450kN and P₄=130kN. What will be the total elongation of the member, assuming the modulus of elasticity to be 2.1x10⁵N/mm². The cross sectional area is 625mm, 2500mm, 1250mm respectively.

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Q. A rod, which tapers uniformly from 5cm diameter to 3cm diameter in a length of 50cm, is subjected to an axial load of 6000N. if E = 2,00,000 N/mm², what will be the extension of the rod?

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Q. A bar is in two sections having equal lengths. The area of cross section of 1st is double that of 2nd. if the bar carries an axial load of P, then what will be the ratio of elongation in section 2nd to section 1st ?

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Q. A round bar made of same material consists of 4 parts each of 100mm length having diameters of 40mm, 50mm, 60mm and 70mm, respectively. If the bar is subjected to an axial load of 10kN, what will be the total elongation of the bar in mm?

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Q. A composite bar consists of a bar enclosed inside a tune of another material when compressed under a load as whole through rigid collars at the end of the bar. What will be the equation of compatibility?

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