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23-12-2019
Physics

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Three blocks are connected by massless cords and rest on a frictionless horizontal surface. The blocks are pulled to the right. Mass m1 = 2 m2 = 3 m3, with m1 on the left and m3 on the right. If the pulling force is equal to 90 N, then the tension in the cord between m1 and m2 is_______.

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sehrishwahid67 sehrishwahid67

23-12-2019

Answer:

Explanation:

First draw a free body diagram

Let T is the tension in cord between m1 and m2

T=m1×a

Where a for system will be same

F=ma. a=F/m1+m2+m3

m1=2m2

m3=2/3m2

a=270/11m2

T=m1×270/11m2=24.5m1/m2

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