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Three blocks of masses 6 kg, 4 kg and 2 ...


Three blocks of masses 6 kg, 4 kg and 2 kg are pulled on a rough surface by applying a constant force 20 N. The values of coefficient of friction between blocks and suface are shown in figure.
Q. In the arrangement shoen tension in the string connecting 4 kg and 6 kg masses is

A

8N

B

12N

C

6N

D

4N

Text Solution

Verified by Experts

The correct Answer is:
A



`T_2+4=20`,`T_2=16Nt`
`f_2=8`,`T_2=T_1+f_2`,`T_2=T_1+8`
`T_1=8`
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