We have a rod made of a certain metal. The rod’s length is L = 1.2 m and has a circular cross section with radius r = 3.2 mm. If we hang the rod vertically and hang a mass of m = 22 kg at its end we find that it is stretched by d = 2.5 mm. a) Using the information given, estimate the Young’s modulus for this metal rod, in N/m.  b) If we know that this metal has a density of 11 g/cm^3, what would be the speed of sound in this metal in m/s?

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Q: A solid copper cube has an edge length of 88.3 cm. How much stress must be applied to the cube to…

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A:

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A: Solution:-

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A: Convert the shear stress on cells in N/m2.

Q: determine the change in the tooth's length

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Q: Suppose that we have two hanging rods of the same length 2.8 m. However, their cross sections are a…

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Q: A 1.6 x 10-3-kg house spider is hanging vertically by a thread that has a Young's modulus of 4.3 x…

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Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).