Saturday, December 4, 2010

Concept Of Mass


Mostly, students always confused in the concept of mass and weight. Am I right? yeah! I knew it. 


Now, I'll explain to you one by one.


Firstly,
Concept Of Weight

  1. The weight of an object is - the force of the gravitational pull that acts on the object.
  2. It can change,depends on the gravitational attraction that acts on the object. Because of this, the weight of an object differs from place to place.
  3. The S.I unit for weight is - Newton (N)
  4. Measured by using a - spring balance / compression balance.


SPRING BALANCE

Secondly,
Concept Of Mass

  1. The mass of an object is - the quantity of matter that is present in the object.
  2. The mass is fixed and not influenced by the force of gravitational pull.
  3. The S.I unit for mass is - kilogram (kg) / gram (g) / milligram (mg).
  4. Measured by using a - lever balance / electronic balance / triple beam balance.
ELECTRONIC BALANCE

LEVER BALANCE

TRIPLE BEAM BALANCE

So now, are you clear with these explanation ? If you are still can not see clearly with that concept between mass and weight. Here I show you, their differences between the concept of mass and weight.





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