Explain fundamentaland derjeed
quantities
Answers
ANSWER
Fundamental quantity : quantities which are independent on other physical quantity .
ex: length,mass,time, current, amount of substance, luminous intensity, thermodynamic temperature,
Derived quantity : quantities which are depend on fundamental quantities.
ex: Area, volume, density, speed, acceleration, force, velocity etc.
The definition of linear momentum is consistent with most people’s intuitive understanding of momentum: a large, fast-moving object has greater momentum than a smaller, slower object. Linear momentum is defined as the product of a system’s mass multiplied by its velocity. In symbols, linear momentum is expressed as p=mv
Momentum is directly proportional to the object’s mass and also its velocity. Thus the greater an object’s mass or the greater its velocity, the greater its momentum. Momentum p is a vector having the same direction as the velocity v. The SI unit for momentum is kg⋅
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m
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