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प्रश्न
Water in a lake exerts pressure only at its bottom.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
The unit of thrust is ..........
Pressure is reduced if .................... increases.
The pressure and thrust are related as
How is the thrust related to pressure?
How much thrust will be required to exert a pressure of 20,000 Pa on an area of 1 cm2.
Calculate the pressure exerted on a surface of 0.5 m2 by a thrust of 100 kgf.
Analogy
Broader straps: ______:: Thin needles: ______.
Give reasons why:
heavy trucks are fitted with 6 to 8 wheels
Hot air is ______ dense than ordinary air.
Assertion (A): A sleeping mattress is so designed that when you lie on it, a large area of your body comes in its contact.
Reason (R): This reduces the pressure on the body and sleeping becomes comfortable.
