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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

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

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Grade:11

1 Answers

Devang
52 Points
5 years ago
Find Tension T2. =?
Net force on block m3 = F - T2.
Then
                m3a = F - T2.    ......(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
T2. = m1a + m2a
T2. = a(m1 + m2)
 
                   
 

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