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Force and Pressure Differences in Physics Import Concepts Must to Know
Question. Difference Between Force and Pressure.
Answer:
Force:
- The push or pull on an object with mass that causes it to change its velocity.
- Force is an external agent capable of changing the state of rest or motion of a particular body. It has a magnitude and a direction.
- The direction towards which the force is applied is known as the direction of the force and the application of force is the point where force is applied.
- The Force can be measured using a spring balance.
- The SI unit of force is Newton .
Pressure:
- The amount of force exerted (thrust) on a surface per unit area is defined as βPressureβ . It can also be defined as the ratio of the force to the area (over which the force is acting) .
Types of Pressure:
- Atmospheric Pressure
- Absolute Pressure
- Differential Pressure
- Gauge Pressure
Differentiating Property | Force | Pressure |
Definition | It is the push and pull action resulting in the acceleration of the object. | It is the force acting upon a certain area, perpendicular to its surface. |
Unit and Symbol | Its unit is Newton and its symbol is . | Its unit of measurement is Pascal and its symbol is . |
Instrument to measure | It is measured by a dynamometer. | It is measured by a manometer. |
Vector/Scalar quantity | It is a vector quantity due to having magnitude and direction both. | It is a scalar quantity because it does not have direction. |
Acted upon | It can be acted upon on the face, edges, side or vertices of the object. | Pressure only acts on the surface or face of the object. |
Velocity | The velocity of the object can change due to force in one direction. | The velocity of the object cannot change due to pressure. |