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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Three boys, each of mass 45kg, pull simultaneously a block on a smooth surface. The mass of block is 20.0kg. a. Find the acceleration of the block. b.Find the acceleration of the boy exerting force F 1 ​ . Assume no friction between the boy and the surface. [Given F 1 =90N,F 2 ​=114N and F 3 ​=128root 2 N]

Three boys, each of mass 45kg, pull simultaneously a block on a smooth surface. The mass of block is 20.0kg. a. Find the acceleration of the block. b.Find the acceleration of the boy exerting force F 1 ​ . Assume no friction between the boy and the surface. [Given F 1 =90N,F 2 ​=114N and F 3 ​=128root 2 N]

and between C and ground. and block C; (2) normal reactions between A and B and C of masses m 1 ​ and m 3 ​ are resting one on top of the other as shown in Fig.6.24. A horizontal force F is applied on block B. Assuming all the surfaces are frictionless B b and c`. block B calculate (1) acceleration of block A each of mass 45kg m 2 ​ respectively Three blocks A Three boys