## The Marina trench is located in the Pacific Ocean, and at one place it is nearly eleven km  beneath the surface of water. The water pressure at the bottom of the trench is about 1.1 ×108 Pa . A steel ball of initial volume 3 0.32 m is dropped into the ocean and falls to the bottom of the trench. What is the change in the volume of the ball when it reaches to the bottom?

The Marina trench is located in the Pacific Ocean, and at one place it is nearly eleven km  beneath the surface of water. The water pressure at the bottom of the trench is about 1.1 ×108 Pa . A steel ball Read More …

## Two strips of metal are riveted together at their ends by four rivets, each of diameter 6.0 mm. What is the maximum tension that can be exerted by the riveted strip if the shearing stress on the rivet is not to exceed  6.9 × 107 Pa ? Assume that each rivet is to carry one quarter of the load.

Two strips of metal are riveted together at their ends by four rivets, each of diameter 6.0 mm. What is the maximum tension that can be exerted by the riveted strip if the shearing stress on the rivet is not to exceed  Read More …

## A mild steel wire of length 1.0 m and cross-sectional area  2 0.50 × 10-2 cm2 is stretched, well within its elastic limit, horizontally between two pillars. A mass of 100 g is suspended from the mid-point of the wire. Calculate the depression at the midpoint.

A mild steel wire of length 1.0 m and cross-sectional area  2 0.50 × 10-2 cm2 is stretched, well within its elastic limit, horizontally between two pillars. A mass of 100 g is suspended from the mid-point of the wire. Calculate the Read More …

## A rod of length 1.05 m having negligible mass is supported at its ends by two wires of steel (wire A) and aluminium (wire B) of equal lengths as shown in Fig. 9.15. The cross-sectional areas of wires A and B are 1.0 mm2 and 2.0 mm2, respectively. At what point along the rod should a mass m be suspended in order to produce (a) equal stresses and (b) equal strains in both steel and aluminium wires.

A rod of length 1.05 m having negligible mass is supported at its ends by two wires of steel (wire A) and aluminium (wire B) of equal lengths as shown in Fig. 9.15. The cross-sectional areas of wires A and B are Read More …

## Anvils made of single crystals of diamond, with the shape as shown in Fig. 9.14, are used to investigate behaviour of materials under very high pressures. Flat faces at the narrow end of the anvil have a diameter of 0.50 mm, and the wide ends are subjected to a compressional force of 50,000 N. What is the pressure at the tip of the anvil?

Anvils made of single crystals of diamond, with the shape as shown in Fig. 9.14, are used to investigate behaviour of materials under very high pressures. Flat faces at the narrow end of the anvil have a diameter of 0.50 mm, and Read More …

## How much should the pressure on a litre of water be changed to compress it by 0.10%?

How much should the pressure on a litre of water be changed to compress it by 0.10%?

## Determine the volume contraction of a solid copper cube, 10 cm on an edge, when subjected to a hydraulic pressure of  7.0 ×106 Pa

Determine the volume contraction of a solid copper cube, 10 cm on an edge, when subjected to a hydraulic pressure of  7.0 ×106 Pa

## Compute the fractional change in volume of a glass slab, when subjected to a hydraulic pressure of 10 atm.

Compute the fractional change in volume of a glass slab, when subjected to a hydraulic pressure of 10 atm.

## What is the density of water at a depth where pressure is 80.0 atm, given that its density at the surface is 1.03 × 103 kgm-3

What is the density of water at a depth where pressure is 80.0 atm, given that its density at the surface is 1.03 × 103 kgm-3

## Compute the bulk modulus of water from the following data: Initial volume = 100.0 litre, Pressure increase = 100.0 atm  (1 atm  =1.013  ×105  Pa) , Final volume = 100.5 litre. Compare the bulk modulus of water with that of air (at constant temperature). Explain in simple terms why the ratio is so large.

Compute the bulk modulus of water from the following data: Initial volume = 100.0 litre, Pressure increase = 100.0 atm  (1 atm  =1.013  ×105  Pa) , Final volume = 100.5 litre. Compare the bulk modulus of water with that of air (at Read More …

## A 14.5 kg mass, fastened to the end of a steel wire of unstretched length 1.0 m, is whirled in a vertical circle with an angular velocity of 2 rev/s at the bottom of the circle. The crosssectional area of the wire is  0.065 cm2 .Calculate the elongation of the wire when the mass is at the lowest point of its path.

A 14.5 kg mass, fastened to the end of a steel wire of unstretched length 1.0 m, is whirled in a vertical circle with an angular velocity of 2 rev/s at the bottom of the circle. The crosssectional area of the wire Read More …

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