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प्रश्न
The feet of lizards act like
पर्याय
moving pads
drilling pads
suction pads
none of the above
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उत्तर
suction pads
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संबंधित प्रश्न
A body weighing 5 kgf, placed on a surface of area 0.1 m2, exerts a thrust on the surface equal to
Why do camels or elephants have broad feet?
How much thrust will be required to exert a pressure of 20,000 Pa on an area of 1 cm2.
If someone presses a pointed needle against your skin, you are hurt. But if someone presses a rod against your skin with the same force, you easily tolerate. Explain.
A drinking straw works on the existence of ______.
At higher altitudes, atmospheric pressure is ______.
Analogy
Broader straps: ______:: Thin needles: ______.
The net force in a particular direction is called ______.
Upthrust = weight of the fluid displaced – apparent weight of the object.
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.
