Momentum and CollisionMedium
Question
The spring balance A read 2 kg with a block m suspended from it. A balance B reads 5 kg when a beaker with liquid is put on the pan of the balance. The two balances are now so arranged that the hanging mass is inside the liquid in the beaker as shown in figure. In this situation : -
Options
A.The balance A will read more than 2 kg
B.The balance B will read more than 5 kg
C.The balance A will read less than 2 kg and B will read more than 5 kg
D.The balance A and B will read 2 kg and 5 kg respectively.
Solution
For spring balance A
= Mg - Th = 2g - Th
for balance B
= Mg + Th = 5g + Th
= Mg - Th = 2g - Th
for balance B
= Mg + Th = 5g + Th
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