Elasticity MCQs
6. Question
A body of mass 500 g is fastened to one end of a steel wire of length 2 m and area of cross-section 2 mm2. if the breaking stress of he wire is 1.25 × 107 N/m2, then the maximum angular velocity with which the body can be rotated in a horizontal circle is
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7. Question
To compress a liquid by 10% of its original volume, the pressure required is 2 × 105 N/m2. the bulk modulus of the liquid is
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8. Question
According to Horke’s law of elasticity, within elastic limits, if the stress is increased, the ratio of stress to strain
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9. Question
The bulk modulus of a fluid is inversely proportional to the
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10. Question
A solid sphere of radius R made of a material of bulk modulus K is completely immersed in a liquid in a cylindrical container. A mass less piston of area A floats on the surface of the liquid. When a mass M is placed on the piston to compress the liquid, the fractional change in the radius of the sphere,dR/R is given by
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