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The coefficient of static friction betwe...

The coefficient of static friction between a block of mass 0.25 kg is 0.4. Calculate the force applied to it. `(g = 9.8m//s^2)`

A

0.98N

B

0.098N

C

9.8N

D

980N

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CHETANA PUBLICATION-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE
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  2. When the value of the frictional force is maximum, just before the bod...

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  3. The coefficient of static friction between a block of mass 0.25 kg is ...

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  4. If a force of 0.98 N is applied to a mass of 0.25 kg (g = 9.8m//s^2) t...

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  10. The ratio of Longitudinal stress to longitudinal strain is called

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  11. If the shearing stressin 4.2 xx 10^8 N//m^2 and the shearing strain is...

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  13. What is an elastomer.

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  14. State the advantages of friction.

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  15. With a well labelled graph explain elastic hysteresis.

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  16. Differentiate between hardness and toughness with examples.

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  17. State the laws of Kinetic Friction.

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  18. A wire of length 10 m and area 0.625 xx 10^-4 m^3 is subjected to a lo...

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  19. A 3m long copper wire is stretched to produce and extension of 0.3 cm....

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  20. What pressure is required to reduce the volume of a lead block by 1%. ...

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