Topic : Force and Pressure (MANOMETER) Define Manometer Explain its working Draw a labeled diagram Uses Explain Contact and Non-contact forces with the help of two examples each . Project Question
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A manometer works on the principle of hydrostatic equilibrium and is used for measuring the pressure (static pressure) exerted by a still liquid or gas. ... In its simplest form, a manometer is a U-shaped tube consisting of an incompressible fluid like water or mercury. It is inexpensive and does not need calibration.
- Contact force: A force which can be exerted by an object only through 'physical touching' called a contact force.
e.g. 1. Mascular force
2. Frictional force
- A force which can be exerted by an object on another object even from a distance ( without touching each other) is called non contact force.
e.g. 1. magnetic force
2. electrostatic force
3. gravitational force
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