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Hint: Hydrostatic pressure is the pressure exerted by any fluid at resting or equilibrium at any point due to gravitational force.
When the force is exerted towards the gravity it is known as positive hydrostatic pressure. When the force is exerted opposite to gravity it is known as negative hydrostatic pressure.
Complete answer:
Hydrostatic pressure is the pressure exerted by any fluid at resting or equilibrium at any point due to gravitational force.
When the force is exerted towards the gravity it is known as positive hydrostatic pressure. When the force is exerted opposite to gravity it is known as negative hydrostatic pressure. This pressure varies on the length of the vessel containing fluid, density of the fluid and role of gravity upon it. When the pressure change is due to depth it is known as hydrostatic pressure gradient. It is seen in plants as they have a large amount of food stored in the leaves in the form of sugar. Water from the neighbouring cells moves into the leaves where the food is stored.
Note:
The pressure varies on the length of the vessel containing fluid, density of the fluid and role of gravity upon it. It is seen in plants as they have a large amount of food stored in the leaves in the form of sugar. Water from the neighbouring cells moves into the leaves where the food is stored.
When the force is exerted towards the gravity it is known as positive hydrostatic pressure. When the force is exerted opposite to gravity it is known as negative hydrostatic pressure.
Complete answer:
Hydrostatic pressure is the pressure exerted by any fluid at resting or equilibrium at any point due to gravitational force.
When the force is exerted towards the gravity it is known as positive hydrostatic pressure. When the force is exerted opposite to gravity it is known as negative hydrostatic pressure. This pressure varies on the length of the vessel containing fluid, density of the fluid and role of gravity upon it. When the pressure change is due to depth it is known as hydrostatic pressure gradient. It is seen in plants as they have a large amount of food stored in the leaves in the form of sugar. Water from the neighbouring cells moves into the leaves where the food is stored.
Positive hydrostatic pressure | Negative hydrostatic pressure | |
Definition | When the pressure exerted is towards the gravity. | When the pressure exerted is against the gravity. |
Example | Turgor in the plant cells | Pressure formed in xylem and cell wall |
Note:
The pressure varies on the length of the vessel containing fluid, density of the fluid and role of gravity upon it. It is seen in plants as they have a large amount of food stored in the leaves in the form of sugar. Water from the neighbouring cells moves into the leaves where the food is stored.
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