The atmosphere pressure at a place isw `10^5` Pa. What thrust does it exert on a table top of area `1m^2`?

In a hydraulic press used for compressing wool, the area of the pistion is 0.1 m^2 and the force exerted along the piston rod is 200 N. find the pressure and If the area of larger cylinder 0.8 m and the total crushing force exerted on a bale of wool.

A table-top measures 2 m 25 cm by 1 m 50 cm.What is the perimeter of the to of the table?

A bubble of gas released at the bottom of a lake increases to four times its original volume when it reaches the surface. Assuming that atmospheric pressure is equivalent to the pressure exerted by a column of water 10 m high, what is the depth of the lake?

A compressed cylinder of gas contains 1.50xx10^(3) g of N_(2) gas at a pressure of 2.0xx10^(7) Pa and a temperature of 17.1^(@)C . What volume of gas has been released into the atmosphere if the final pressure in the cylinder is 1.80xx10^(5) Pa ? Assume ideal behaviour and that the gas temperature is unchanged.

An electric dipole consists of two opposite charges of magnitude 1 mu C (micro-coulomb) separated by a distance of 2 cm . The dipole is placed in an electric field of 10^(5) V m^(-1) . What maximum torque does the field exert on the dipole ?

A block of wood is kept on the table top. The mass of wooden block is 5 kg and its dimensions are 40cm xx20cmxx10cm . Find the pressure exerted by the wooden block on the table top if it is made to lie on the table top with its sides of dimensions : 20cmxx10cm .

What is the pressure inside the drop of mercury of radius 3.00 mm at room temperature ? Surface tension of mercury at that temperature ( 20^@C ) is 4.65xx10^-1 N m^-1 The atmospheric pressure is 1.01xx 10^5Pa . Also give the excess pressure inside the drop.

A block of wood is kept on the table top. The mass of wooden block is 5 kg and its dimensions are 40cm xx20cmxx10cm . Find the pressure exerted by the wooden block on the table top if it is made to lie on the table top with its sides of dimensions : 40cmxx20cm .

During blood transfusion the needle isinserted in a vein where the gauge pressure is 2000 Pa. At what height must the blood container be placed so that blood may just enter the vein ? [Use the density of whole blood from Table 10.1],

A monometer contains a liquid of density 5.44g//cm^(3) is attached to a flask containing gas 'A' as follows If the same liquid is used in barometer to measure the atmospheric pressure, then what will be the lengh of the liquid columnm which exerts pressure equal to 1 atm ? (density of Hg=13.6g//cm^(3) )