Recent questions tagged strength of materials and construction materials

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1 answer

What would be the percent increase in length of wire of diameter 2.5 x I0^-3m stretched by a force of 980 N. Young’s modulus of elasticity of wire is 8 x 10^10 N/m^2.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

1 answer

A material has Poisson’s ratio as 0.5. If a uniform rod of it is subjected by a longitudinal strain of 2 x 10^-3, then what would be the percent increase in volume?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

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A wire is stretched 1 mm by applying a force of 1 KN. How far a wire of same material and the length but of 3 times diameter can be stretched?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

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The upper face of a 4cm cube is displaced by 0.1 cm due to a tangential force of 0.8 dyne. What would be the shear modulus of the cube?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

1 answer

Steel wire of length 5.7 m and cross-sectional area 3*10^-5 m^2 is stretched by the same amount as a Copper wire of 3.5 m length and 4*10^-5m^2 cross-sectional area, under a given load. What would be the ratio of their Young’s modulus?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

A load of 2 kg resulted an elongation of 1mm in a wire of 3 m length with 1 mm diameter. What will be the Young’s modulus of wire?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

The length of wire is increased by 8 mm in length, when a weight of 5 kg is hung through it. If all the conditions are kept same, but radius of wire is doubled, what would be the new length of wire?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

What will be the elastic potential energy per unit volume when a metal wire is suspended along with a suspending weight on it?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

A force of 10^6 N/m^2 is required for breaking a material of density 3 x 10^3 kg/m^3. What would be the length of wire, which can break by its own weight?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

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