Question

Fill in the blanks :
1. As we move from the earth’s surface to a higher altitude, air pressure will be…………
2. The force acting upon objects immersed in a liquid is called ………..
3. Pascal is unit of ………….

Answer 1

Answer:

1.the presure decreases with increasing altitude

2.buoyant force

3.it is the unit of pressure..

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Explanation:

Answer 2

Decreased, buoyant force, pressure

Explanation:

1. As we move from the earth’s surface to a higher altitude, air pressure will be decreased .

2. The force acting upon objects immersed in a liquid is called buoyant force.

3. Pascal is unit of pressure."

Explanation

At higher elevations, there are fewer air molecules above a given surface than a similar surface at lower levels. So pressure decreases with increasing altitude.

The upward force exerted by the fluid on the submerged object is called buoyant force.

The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.