A steel rod of radius R =15cm  and length lo stands upright on a firm surface. A 65-kg man climbs atop the rod.(a) Determine the percent decrease in the rod’s length.(b) When a metal is compressed, each atom moves closer toits neighboring atom by exactly the same fractional amount.If iron atoms in steel are normally 2.0x10-10 m apart, bywhat distance did this interatomic spacing have to changein order to produce the normal force required to supportthe man? [Note: Neighboring atoms repel each other, andthis repulsion accounts for the observed normal force.]

Q: A 2.9 m nylon fishing line used to hold up a 7.3 kg fish has a diameter of 1.3 mm.  how much is the…

A: The expression for young’s modulus of the nylon line is given by Y=FAΔLL0Y=FL0AΔLΔL=FL0AY The wire…

Q: TV broadcast antennas are the tallest artificial structures on Earth. In 1987, a 74.0 kg physicist…

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Q: A thin rod extends from x =D 0 to x = 13.0 cm. It has a cross-sectional area A = 6.50 cm-. adits…

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Q: TV broadcast antennas are the tallest artificial structures on Earth. In 1987, a 63.0 kg physicist…

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Q: During a wrestling match, a 110 kg wrestler briefly stands on one hand during a maneuver designed to…

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Q: When pushing off horizontally from a pool wall with her legs, the resulting force of the wall on the…

A: compression in length (∆L) = 2.98×10-5 m Length (L) = 36 cm = 0.36 m Radius (r) = 1.82 cm = 0.0182 m…

Q: Calculate the force a piano tuner applies to stretch a steel piano wire by 8.00 mm, if the wire is…

A: The cross-sectional area of the wire can be obtained as

Q: A copper wire of diameter 1.0 cm stretches 1.0% when it is used to lift a load upward with an…

A: All metal follows Hooke's law as per that stress is directly proportional to the strain.  σ = εE…

Q: A tunnel of length L = 130 m, height H = 9.4 m, and width 5.6 m (with a flat roof) is to be…

A: L = 130 m, height H = 9.4 m, and width 5.6 m (with a flat roof) is to be constructed at distance d =…

Q: To escape a burning buildingAmold has to jump from a third-story window that is about 10.0 m above…

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Q: Kristy Yamaguchi is an olympic gold medalistin figure skating (and dancing with the stars champion)…

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Q: A copper wire of diameter 1.0 cm stretches 1.0% when it is used to lift a load upward with an…

A: Given that:- Diameter of copper wire=d=1 cm

Q: A person can “ walk on water “ if she has the proper shoes. Assume that you use expanded polystyrene…

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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).