The surfaces are frictionless, the ratio of T1 and T2 is

a)

b)

c)1 : 5

d)5 : 1

Correct answer is option 'C'. Can you explain this answer?

Related Test: NEET Mock Test - 1

7 Answers

Nirmala Devi
answered
Apr 01, 2020

T_{1} = m_{1} a

T_{2} = (m_{1} + m_{2})a

(T_{1} / T_{2}) = {m_{1} / (m_{1} + m_{2})} = {3 / (3 + 12)} = (1 / 5)

hence T_{1} : T_{2} = 1:5

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