Advertisements
Advertisements
प्रश्न
A normal force of 200 N acts on an area of 0.02 m2. Find the pressure in pascal.
Advertisements
उत्तर
Pressure =`"Force"/ "Area"`
`(200N)/(0.02m^2)`
= ` (200xx100)/2`=`10000 N//m^2 or 10000 Pascal`
APPEARS IN
संबंधित प्रश्न
Explain why The blood pressure in humans is greater at the feet than at the brain
In problem 10.9, if 15.0 cm of water and spirit each are further poured into the respective arms of the tube, what is the difference in the levels of mercury in the two arms? (Specific gravity of mercury = 13.6)
Two vessels have the same base area but different shapes. The first vessel takes twice the volume of water that the second vessel requires to fill up to a particular common height. Is the force exerted by the water on the base of the vessel the same in the two cases? If so, why do the vessels filled with water to that same height give different readings on a weighing scale?
When does a man exert more pressure on the floor: while standing or while walking?
It is easier to cut with a sharp knife than with a blunt one. Explain.
If someone presses a pointed needle against your skin, you are hurt. But if someone presses a rod against your skin with the same force, you easily tolerate. Explain.
Water flows through a horizontal tube of variable cross section. The area of cross section at A and B are 4 mm2 and 2 mm2 respectively. If 1 cc of water enters per second through A, find (a) the speed of water at A, (b) the speed of water at B and (c) the pressure difference PA − PB.

If the same force is made to act on a larger area, the pressure ______.
Why dams are made stronger and thicker at the bottom than at the top?
What is the SI unit of pressure?
