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Question
A block of mass 10 kg is attached to the end of two light spring balances combination as shown in figure. What mass will each spring reads? (assume springs are collaborated so that its reading provides the mass)
A block of mass 10 kg is attached to the end of two light spring balances combination as shown in figure. What mass will each spring reads? (assume springs are collaborated so that its reading provides the mass)
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Solution
The correct option is A 10 kg
A spring balance measures Tension of the string attached to it, these spring balance in the question are massless themselves.
Since equilibrium so
T = mg
T = 100 N
Tension in the upper string will be same as the spring balance is massless.
This means the reading that spring balance will give is
Tg = 10010=10kg each.
So both spring balance will read the same 10 kg
10 kg
A spring balance measures Tension of the string attached to it, these spring balance in the question are massless themselves.
Since equilibrium so
T = mg
T = 100 N
Tension in the upper string will be same as the spring balance is massless.
This means the reading that spring balance will give is
Tg = 10010=10kg each.
So both spring balance will read the same 10 kg
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