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6,7 & 8

6) Three blocks A,B and C are suspended as shown in figure.  Mass of each block A and C is m, if system is in equilibrium and mass of B is M then

a)M=2m b) M<2m c) M>2m d) M=m

7) In the arrangement shown in figure pullys are massless and frictionless and threads are light and inextensible. Block of mass m1 will remain at rest if

a) 1/m1=1/m2 + 1/m3 b) 4/m1= 1/m2 + 1/m3 c) m1=m2+m3 d) 1/m3= 2/m2 + 3/m1

8) A uniform rope of length L and mass M is placed on a smooth fixed wedge as shown. Both end of rope are at same horizontal level. The rope is initially released from rest, then the magnitude of initial acceleration is

 

Answers (3)

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The answer to question  number 6 is explained below:

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avinash.dongre

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The answer to question  number 8 is explained below:

Posted by

avinash.dongre

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The answer to question  number 8 is explained below:

Posted by

Pankaj

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