Advertisements
Advertisements
प्रश्न
A brick is kept in three different ways on a table as shown in the following figure. The pressure exerted by the brick on the table will be
 |
 |
 |
| A | B | C |
विकल्प
maximum in position A
maximum in position B
maximum in position C
equal in all cases
Advertisements
उत्तर
maximum in position A
Explanation:
Pressure will be maximum in position A because area of contact is minimum in this case and area is inversely proportional to pressure.
APPEARS IN
संबंधित प्रश्न
The pressure and thrust are related as
Why do camels or elephants have broad feet?
Calculate the pressure in pascal exerted by a force of 300 N acting normally on an area of 30 cm2.
A beaker containing a liquid is kept inside a big closed jar. If the air inside the jar is continuously pumped out, the pressure in the liquid near the bottom of the liquid will
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.
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?
What is thrust?
The shape and size of the solids do not easily change.
Define thrust.
The force exerted by liquid perpendicular to the surface of the body is equal to the product of ______ at that point.
