Bifurcate the derived and Fundamental Quantities;
Area, Volume, Length, Time, Temperature, Perimeter, Density, Speed
Answers
Question :-
Bifurcate the derived and fundamental quantities:
Area, volume, length, time, temperature, perimeter, density, speed.
Required information :-
Fundamental physical quantities :-
Quantities which do not depend on other physical quantities are called fundamental quantities.
Explanation : To measure time, we do not involve mass or any other fundamental quantities, so time is a fundamental physical quantity.
Examples : Mass, length, time, temperature, etc.
Derived physical quantities :-
Quantities which depend on other physical quantities are called derived quantities.
Explanation : To measure the area of a rectangle, we use its length and breadth.
Area of a rectangle = Length × Breadth
Therefore, area is a derived quantity.
Examples : Area, volume, speed, etc.
Solution :-
i) Area = Length × Breadth.
Therefore, area is a derived physical quantity.
ii) Volume = Length × Breadth × Height.
Therefore, volume is a derived physical quantity.
iii) Length = doesn't depend on any other quantity.
Therefore, length is a fundamental physical quantity.
iv) Time = doesn't depend on any other quantity.
Therefore, time is a fundamental physical quantity.
v) Temperature = doesn't depend on any other quantity.
Therefore, temperature is a fundamental physical quantity.
vi) Perimeter = depends on other quantities.
Therefore, perimeter is a derived physical quantity.
vii) Density = Mass ÷ Volume
Therefore, density is a derived physical quantity.
viii) Speed = Distance ÷ Time
Therefore, speed is a derived physical quantity.
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Answer:
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Explanation:
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⋅
s
m