# NCERT CLASS IX - Science Textbook Chapter 10 - Gravitation You have a bag of cotton and an iron bar, each indicating a mass of 100 kg when measured on a weighing machine. In reality, one is heavier than other. Can you say which one is heavier and why?

2
by indraSalvi

2015-05-15T12:02:40+05:30
The bag of iron is heavier than the bag of cotton though they both have a mass of 100 kg, because iron is more densely packed than cotton. That is, the atoms of iron are more densely packed than cotton, and therefore, the density of iron is more than that of cotton and is much heavier than cotton.
pls click thanks button above and mark as best if you like it ! :-)
2015-05-17T02:46:28+05:30

### This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
An iron bar  weighs  100 kg.
A bag of cotton weighs  100 kg.  on the same weighing machine.

There is atmospheric pressure due to air around us.