Question
What is a thermometer? What things should be kept in mind while designing a thermometer? Explain to them.

Answer

SELF

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Three blocks are connected as shown on a horizontal frictionless table, and pulled to the right with a force of T3 = 60N.

If m1 = 10kg, m2 = 20kg and m3 = 30kg. Prove that $\frac{\text{T}_1}{\text{T}_2}=\frac{1}{3}.$