Consider three blocks A,B and C. Block A is placed on block B, which is placed on block C and block C is placed on the ground. Normal reaction between blocks B and C is three times of that between blocks A and B. Normal reaction between block C and ground is two times of that of between blocks B and C. Possible values of the masses of blocks A , B and C respectively are :

Question

Infinity Learn · Accepted Answer

$$NAB=mAgNBC=mA+mBg=3mAg$$⇒$$mB=2mANCG=mA+mB+mCg=6mAg$$⇒$$mC=3mA$$⇒ If $$mA=5kg$$,then $$mB=10kg$$ and $$mC=15kg$$

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