Table of Contents
What is the difference between pressure exerted by solids and liquids?
A solids exert pressure only on its base downwards while a fluid exerts pressure at all points in every direction. A liquid exerts pressure only on its base downwards while a solid exerts pressure at all points in every direction. C.
What is pressure exerted by solid?
A solid exerts pressure only on its base downwards i.e. a solid will exert pressure in the direction of its weight which is downward. while a fluid exerts pressure at all points in all directions .
What is pressure exerted by liquid?
Hydrostatic pressure refers to the pressure exerted by a fluid (gas or liquid) at any point in space within that fluid, assuming that the fluid is incompressible and at rest. Pressure within a liquid depends only on the density of the liquid, the acceleration due to gravity, and the depth within the liquid.
What is the difference between the pressure exerted by a solid and that by a liquid Class 7?
But the weight of the solid column above a certain point is effective on the said point. This creates pressure inside the solid. However, solids do not expand or contract by large amounts due to this pressure. The pressure on the side of the solid, which is perpendicular to the weight vector, is always zero.
Why do solids exert pressure?
Static pressure exerted by a liquid is due to gravity, and dynamic pressure exerted by the liquid is due to its velocity along a surface. Pressure exerted by a solid can be as a result of gravity as the mass of it rests against something else.
What are the two properties of pressure exerted by liquids give one example each to explain these properties?
The pressure in a liquid acts in all directions. Liquid pressure increases with depth. Liquid pressure remains the same in all directions at a given depth. Liquid pressure depends upon the density of the liquid.
What is pressure exerted by?
Atmospheric pressure is close to 100,000 pascals. The pressure exerted by a confined gas results from the average effect of the forces produced on the container walls by the rapid and continual bombardment of the huge number of gas molecules.
Why do solids exert pressure downwards?
Thrust is the force acting on an object perpendicular to its surface. Pressure = Thrust × Area . Like solids, fluids (liquids and gases) also exert pressure. a) A solid exerts pressure only in the downward direction due its weight.
Why do fluids exert more pressure than solids?
Gases exert more pressure on the walls of the container than solids do because there is more kinetic energy(thermal energy) in the gases which make it’s particle to move with great speed.So, they exert more pressure than solids.
How does the pressure exerted by a liquid change as the density of the liquid changes?
Pressure is the amount of force exerted per unit area. How does the pressure exerted by a liquid change as the density of the liquid changes? Pressure increases with depth. As the density of the liquid increases, the pressure exerted by the liquid also increases.