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The length of a metal is `l_1`, when the tension in it is T1 and is `l_2` when tension is `l_2`. Find the original length of

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State Hooke’s

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An elastic wire is cut to half its original length. How would it affect the maximum load that the wire can

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Define modulus of elasticity and write its various

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Two different types of rubber are found to have the stress – strain curves as shown in the figure stress 1) In what ways do these curves suffer from the stress- strain curve of a metal wire?2) Which of the two rubbers A and B would you prefer to be installed in the working of a heavy machinery3) Which of these two rubbers would you choose for a car

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Why is the force of repulsion responsible for the formation of a solid and not the forces of

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A bar of cross section A is subjected to equal and opposite tensile force F at its ends. If there is a plane through the bar making an angle Q, with the plane at right angles to the bar in the figure a) Find the tensile stress at this plane in terms of F, A and Qb) What is the shearing stress at the plane in terms of F, and Q.c) For what value of Q is tensile stress a

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Which is more elastic rubber or steel?

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The Young’s modulus of steel is `2.0xx10^(+11) w`/`m^2`. If the interatomic spacing for the metal is `2.8xx10^(-10)m`, find the increase in the interatomic spacing for a force of `10^9 N`|`m^2` and the force

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State the law of

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The blood pressure of humans is greater at the feet than at the

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Define surface

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State the angle of contact and on what values do the angle of contact

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Hydrostatic pressure is a scalar quantity even though pressure is force divided by area, and force is a vector.

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Find the work done in blowing a soap bubble of surface tension 0.06 N/m from 2cm radius to 5cm

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Calculate the radius of new bubble formed when two bubbles of radius `r_1 and r_2`

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A liquid drop of diameter 4 mm breaks into 1000 droplets of equal size. Calculate the resultant change in the surface energy. Surface tension of the liquid is 0.07

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State the principle on which Hydraulic lift work and explain its

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Does Archimedes principle hold in a vessel in a free

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