Question

find tension in string T1 and T2​

Answer 1

Answer:

T2= mg

T1=mg+ma

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Answer 2

Answer:

Tension in the strings T₁ and T₂ are mg and m(g+a) respectively.

Explanation:

Given:  Masses A, B and C joined to a string pulley system where the mass of the strings are negligible. The system is accelerating downwards through C-mass. Tension in the string A to B is T₁ and from B to C is T₂.

To Find: Tensions T₁ and T₂.

Solution: Let us draw the free body diagram of mass A. We find that the mass is acted upon by the gravitational force mg which is equal to the tension in the string.

So,                              T₁ = mg

Now, let us draw the free body diagram of mass C. We observe that C is accelerating downwards along with the gravitational force which is equal to the tension in the string.

So,                               T₂ = mg + ma

                                   T₂ = m(g+a)

Hence, the tensions t₁ and t₂ are mg and m(g+a) respectively.