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When equal forces are applied at different points of objects of the same material but of different shapes, the same strain is not produced because

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Important Questions on Mechanical Properties of Solids

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Agniveer Vayu
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 5
One of the square faces of a metal slab of side 50 cm and thickness 20 cm is rigidly fixed on a horizontal surface. If a tangential force of 30 N is applied to the top face and it is known that the shear modulus of the material is 4×1010 N/m2, then the displacement (in m) of the top face is
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Agniveer Vayu
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 6
The length of a metal wire is l1 when the tension in it is F1 and l2 when the tension is F2 . Then original length of the wire is
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 7
A uniform bar of square cross-section is lying along a frictionless horizontal surface. A horizontal force is applied to pull it from one of its ends, then
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 8
A steel rod of length 4 m is placed on a smooth horizontal plane. If it is heated from 0oC to 1000oC, what is the longitudinal strain developed in it?  α steel = 1.2 × 1 0 - 5 / ∘ C .
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 9
A 50 kg girl wearing high heel shoes balances on a single heel. The heel is circular with a diameter of 1.0 cm. What is the pressure exerted on the horizontal floor?
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 10
A copper wire and a steel wire of the same diameter and length are connected end to end and a force is applied. The force stretches their combined length by 1 cm. The two wires will have
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 1
The adjacent graph shows the extension Δl of a wire of length l m suspended from the top of a roof at one end and with a load W connected to the other end. If the cross-sectional area of the wire is 10-6 m2, calculate the Young's modulus of the material of the wire -Δl×10-4m


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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 2
The bulk modulus of water is 2×109 N m-2. The change in pressure required to increase the density of water by 0.1% is -