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Explain why (a) the blood pressure is hu...

Explain why (a) the blood pressure is humans is greater at the feet than at the brain.
(b) Atmospheric pressure at a height of about 6 km decreases to nearly half its value at the sea level through the 'height' of the atmospheric is more than 100 km.
(c) Hydrostatic pressure is a scalar quantity even though pressure is force divided by area , and force is a vector.

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Atmospheric Pressure

The blood pressure in human is greater at the feet than at the brain. Why?

Give explanations : The blood pressure in humans is greater at the feet than at the brain.

Pressure is a scalar quantity, because

Assertion : Hydrostatic pressure is a vector quantity. Reason : Pressure is force divided by area, and force is a vector quantity.

Pressure is a scalar or vector quantity.

SL ARORA-Mechanical Properties of fluids-Exercise
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  3. Explain why (a) the blood pressure is humans is greater at the feet th...

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  4. Assertion : The blood pressure in humans is greater at the feet than...

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  6. Does Archimede's principle hold in a vessel in free fall?

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  8. It is difficult to swim in sea water than in river water.

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  9. A man is sitting in a boat which is floating in a pond. If the man dri...

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  10. A block of ice in which a piece of stone is embedded is floating on wa...

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  11. A boat floating in a water tank is carrying a number of large stones. ...

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  12. Statement-1: A parachute descends slowly whereas a stone dropped from ...

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  13. The density of water is more than the density of air. Even then the cl...

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  14. A mercury barometer always reads less than actual pressure.

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