Question

Three blocks of mass m1, m2, and m3 are connected by
massless string as shown in the figure below on a
frictionless table. They are pulled with a force T3=40
N. If m1, m2, and m3, are 10 kg, 6 kg and 4 kg
respectively, then the tension T2, will be? With explanation.

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Answer 1

Answer:

system acceleration = pulling Force/ system Mass

= T3/ Total of Mass

= 40 / ( 10+6+4) = 2

T1= M1xa= 10x2= 20 N

T2= T1+ M2.a= 20+2×6=32 N