Give me a brief answer on:
1. Force
2. Pressure
3. Friction
and give their main formula or unit .
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4
Answer:
FORCE:- It is the push or pull on an object with masses that causes it to change velocity.
FORMULA OF FORCE = MASS × ACCCELERATION
The SI unit of force is Newton.
PRESSURE:- It is defined as the physical force exerted on an object.The force applied is perpendicular to the surface of objects per unit area.
FORMULA OF PRESSURE :- FORCE / AREA
The SI unit of pressure is Pascal.
FRICTION:- It is the resistance to motion of one object moving relative to another.It is not a fundamental force, like gravity or electromagnetism .
The formula of friction :- ( coefficient of friction ) ( normal force)
Ff = μη
Ff= refers to the force of friction acting on the object
μ = refers to the coefficient of friction
η = refers to the normal force acting on the object
The SI unit of friction is Newton.
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1
Answer:
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