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Grade 11IIT JEE Entrance Exam

three masses m1 m2 and m3 kept on a smooth horizontal table are connected by a light inextensible string and are pulled has shown on figure the tension T2

Question image for three masses m1 m2 and m3 kept on a smooth horizo

Sudhanva G V

7 Years agoGrade 11

1 Answer

Devang

7 Years ago

Find Tension T_2. =?

Net force on block m3 = F - T_2.

Then

m₃a = F - T_{2. ......(1)}

_{acceleration of system = net force / mass of system}

_{a = F/ m1+m2 +}m3

m1a + m2a + m3a = F. .....(2)

put the value of F in (1)

m3a = m1a + m2a + m3a - T₂

T_2.= m1a + m2a

T_2. = a(m1 + m2)

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