If a pressure of 378 atm is exerted on a circular cross section of radius 0.1 mm, what is the force exerted on the area?

The force on a phonogram needle is 1-2N. The point has a circular cross-section of radius 0-1 mm. What pressure does it exert on the record in (i) Pa (ii) atm?

Force on a phonograph needle is 120 gf. The needle end has a circular cross-section of radius 0.1 mm. Find the pressure (in atm) it exerts on the record. Given, 1 atm = 1.013 xx 10^(5) Pa. Use g=10ms^(-2)

The force on a Phonograph needle is 1.2 N. the point has a circular cross-section whose radius is 0.1 mm. Find the pressure (in atm) it exerts on the recods. Given 1 "atm" = 1.013 xx 10^(5) Pa.

A fuse with a circular cross - sectional radius of 0.15 mm blows at 15 A . What should be the radius of the cross section of a fuse made of the same material that blows at 30 A ?

A fuse with a circular cross-sectional radius of 0.15 mm blows at 15A. What is the radius of a fuse, made of same material which will blow at 120 A?

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

A radiation of wavelength 200nm is propagating in the form of a parallel surface. The power of the beam is 5mW and its cross-sectional area is 1.0 mm^(2) . Find the pressure exerted by radiation on the metallic surface if the radiation is completely reflected.

Two liquid columns of same height 5m and densities rho and 2rho are filled in a container of uniform cross sectional area. Then ratio of force exerted by the liquid on upper half of the wall to lower half of the wall is.