Advertisements
Advertisements
प्रश्न
P is the pressure at some point in a liquid. State whether pressure P is a scalar or vector quantity.
Advertisements
उत्तर
Pressure exerted on an enclosed fluid gets transmitted equally and undiminishing in all directions. So no particular direction is associated with pressure.
That is why Pressure is a scalar quantity.
APPEARS IN
संबंधित प्रश्न
What should be the ratio of area of cross section of the master cylinder and wheel cylinder of a hydraulic brake so that a force of 15 N can be obtained at each of its brake shoe by exerting a force of 0.5 N on the pedal ?
What force is applied on a piston of area of cross section 2 cm2 to obtain a force 150 N on the piston of area of cross section 12 cm2 in a hydraulic machine?
66640 Pa pressure is exerted by 0.50 m vertical column of a liquid. If g = 9.8 Nkg−1, calculate the density of the liquid.
If the mechanical advantage of the handle of the pump plunger is 8, calculate the force applied at the end of the handle of the pump plunger.
Select the correct option.
Pressure applied in liquids is transmitted with undiminished force
Select the correct option.
Pressure at a point inside a liquid does not depend on
The atmospheric pressure at a place is 650 mm of Hg. Calculate this pressure in Pascals (Pa).
The density of iron is 7800 kg m-3. What do you mean by this statement? What is density of water at 40C?
Assertion: Pascal’s law is the working principle of a hydraulic lift.
Reason: Pressure is thrust per unit area.
