Mechanical Properties of Solids questions
395 published questions with worked solutions.
- A uniform metal rod of 2 mm^2 cross-section is heated from 0^ C to 20^ C. The coefficient of linear expansion of the rod is 12...
- The work done in deforming a body is given by [DCE 2004]
- The elastic energy stored in a wire of Young's modulus Y is [BCECE 2007]
- For a given material, the Young's modulus is 2.4 times that of the rigidity modulus. Its Poisson's ratio is
- When a force is applied on a wire of uniform cross-sectional area 3 10^ -6 m^2 and length 4 m, the increase in length is 1 mm....
- There is no change in the volume of a wire due to the change in its length on stretching. The Poisson's ratio of the material of...
- A wire suspended vertically from one of its ends is stretched by attaching a weight of 200 N to the lower end. The weight...
- The energy stored per unit volume in a copper wire, which produces a longitudinal strain of 0.1%, is (Y=1.1 10^ 11 Nm^ -2 )...
- The Young's modulus of the material of a wire is 2 10^ 10 Nm^ -2 . If the elongation strain is 1%, then the energy stored in the...
- Energy stored in stretching a string per unit volume is [DCE 2007]
- If in a wire of Young's modulus Y, longitudinal strain X is produced, then the potential energy stored in its unit volume will be
- A steel wire has length 2 m, radius 1 mm and Y = 2 10^ 11 Nm^ -2 . A 1 kg sphere is attached to one end of the wire and whirled...
- The upper end of a wire of radius 4 mm and length 100 cm is clamped and its other end is twisted through angle 30^ . Then the...
- A force F is required to break a wire of length l and radius r. What force is required to break a wire, of the same material,...
- The Young's modulus of brass and steel are 10 10^ 10 Nm^ -2 and 2 10^ 11 Nm^ -2 respectively. A brass wire and a steel wire of...
- A wire of Young's modulus 1.5 10^ 12 Nm^ -2 is stretched by a force so as to produce a strain of 2 10^ -4 . The energy stored per...
- On increasing the length by 0.5 mm in a steel wire of length 2 m and area of cross-section 2 mm^2, the force required is [Y for...
- A rubber rope of length 8 m is hung from the ceiling of a room. What is the increase in length of the rope due to its own weight?...
- The force constant of a wire is k and that of another wire of the same material is 2k. When both the wires are stretched by the...
- Two identical wires are suspended from the same rigid support, one of copper and the other of iron. The Young's modulus of iron...
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