Volume
Power
Energy
Pressure
Squeezing two walnuts focuses the force on a tiny contact area between them. This significantly increases the pressure at that point, exceeding the shell’s strength and causing it to break. Squeezing one walnut distributes the force over a larger area, resulting in lower pressure.
- Force: A push or a pull on an object is called force. Force may impart motion to an object. It is applied on an object in the same direction add to one another.
- Pressure: The force acting on a unit area of a surface is called pressure. It acts perpendicular to the surface on which pressure is exerted.
- Pressure= force/area on which it acts. Lesser the area, greater is the force.
- Both liquids and gases exert pressure on the wall of their containers.
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