Question

Same spring is attached with 2 kg, 3 kg and 1 kg blocks in three different cases as shown in figure. If x₁, x₂, x₃ be the extensions in the spring in the three cases. then

(a) x₁ = 0, x₃ > x₂

(b) x₁ >x₃  > x₃ 

(c) x₃ > x₂ > x₁ 

(d) x₂ > x₁ > x₃ 

Answer 1

Correct option (d) x₂ > x₁ > x₃ 

Explanation :

If T₁, T₂, T₃, are the tensions in the strings in the three cases, we have