Who Is Heavier?

Classical Mechanics Level pending

If There Are Two Identical Watches , One With Only A Minutes Hand And Other With Only A Seconds Hand. Then Which One Has A Greater Mass.

None Of These Seconds Hand Watch Minutes Hand Watch Both Have Same Masses

Harshit Mittal by Harshit Mittal , 23, India

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2 solutions

Sachin Wani
Mar 11, 2016

Kidhar se chappa question?. :P Aaj kal baap questions daal raha he. Formula to be used : m=m0/ {1-(v/c)^2}

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Khud se banaya.... MAA KASAM .

Harshit Mittal - 5 years, 3 months ago

Thanks sir! For giving the formula.

Harshit Mittal - 5 years, 3 months ago
Harshit Mittal
Mar 11, 2016

Even If Two Objects Are Made Up Of Identical Constituents, Those Objects Will Not In General Have Equal Masses. The Mass Of Something Is Made Out Of Smaller Parts Is Not Just The Sum Of The Masses Of Those Parts , Instead The Total Mass Of The Composite Object Also Depends On:
1. How It's Parts Are Arranged.
2. How Those Parts Move Within The Bigger Object.
So, Here As The Watches Are Identical All The Parts Are Arranged In The Same Way, So The First Condition Is Satisfied.
But, As The Seconds Hand Moves Faster In The Seconds watch As Compared To The Minutes Watch. The Seconds Watch Becomes More Heavier.


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