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The length of needle floating on water i...

The length of needle floating on water is 2.5 cm. Calculate thhe added force required to pull the needle out of water `(T=7.2xx10^(-2)N//m)`

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To solve the problem of calculating the added force required to pull a needle out of water, we will follow these steps: ### Step-by-Step Solution: 1. **Identify the Given Values**: - Length of the needle (L) = 2.5 cm = 0.025 m (conversion from cm to m) - Surface tension (T) = 7.2 × 10^(-2) N/m ...
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