Question

Fill in the Blanks.

1) Pressure is equal to force divide by _____

2) The force acting normally on a surface is called____

3) Pressure is defined as the _____ acting per unit area of a body.

4) In fluids pressure acts in _______ directions.

5) In fluid pressure increases as the _____ increases.

6) Air pressure can be measured by mercury____

7) Pressure at a depth h in a liquid is_____

8) A liquid transmits any excess of ______ at a point equally in all direction.

9) Pressure is same at all points lying on a _____ line.

10) Atmospheric pressure ______ as we move away from the surface of the earth.

11) An altimeter is used to measure _______

12) The pressure exerted by the earth`s atmosphere is called _______

13) Siphon is a ________ flexible tube.

14) The _____ in atmospheric pressure with altitude is not linear.

15) Atmospheric pressure __________ with increasing in altitude.

16) Pressure is same at all points lying on a________.

17) Dams are constructed keeping in mind that _________ of a liquid increases with

depth.

18) The four tubes are of _______ shape and size and hold different amount of fluid.

19) Thrust is a _______quantity.

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Answer 1

Answer:

1 .the area on which it acts.

2.thrust.

3.  force per unit area

4. all directions.

5.

6.a barometer

7.a result the weight of the liquid acting on a unit area at that depth plus any pressure acting on the surface of the liquid. ...

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

Explanation: