Question

find the the Systen Sone auch of Block B in เท tiger le v 8 m/g? 1 ' Zryst B​

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Class 11>>Physics>>Laws of Motion>>Application of Newton's Laws of Motion>>Find out the mass of block B to keep the

Question

Find out the mass of block B to keep the system at res : (g=10m/s2)

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Solution

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a) The system is at rest.

T=mAg=5×g=50N

For B

T=mBsin30°50=mB(21)mB=100kg

b)

At point A

T=100N

For B

T=mBgmB=gT=10kg

Hope it helps:)