Advertisements
Advertisements
Question
A body weighing 5 kgf, placed on a surface of area 0.1 m2, exerts a thrust on the surface equal to
Options
50 kgf
5 kgf
50 kgf m-2
5 kgf m-2
Advertisements
Solution
5 kgf
APPEARS IN
RELATED QUESTIONS
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?
Water in a lake exerts pressure only at its bottom.
The unit of pressure is .........
The unit of thrust is
Calculate the pressure in pascal exerted by a force of 300 N acting normally on an area of 30 cm2.
Multiple Choice Question.
A hydraulic lift is designed to lift heavy objects of maximum mass 2000 kg. The area of cross-section of piston carrying the load is 2.25 × 10-2 m2. What is the maximum pressure the smaller piston would have to bear?
Pressure can be increased by decreasing the force.
Assertion: The pressure at the bottom of the sea is lesser than that near the surface.
Reason: The pressure exerted by a liquid depends upon the depth of the liquid and density of the liquid.
The shape and size of the solids do not easily change.
Assertion (A): A sleeping mattress is so designed that when you lie on it, a large area of your body comes in its contact.
Reason (R): This reduces the pressure on the body and sleeping becomes comfortable.
