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indrayani bargaje Grade: 10
        block A of mass 2 kg is kept on a block B of mass 3 kg. some friction exists between A &B but no friction between B and the ground. if 10N force on A produces 2m/s acceleration in it, then compute the acceleration in B
6 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

at upper block , friction(f) acts in backward ....


 F - f = mAaA = 2*2 = 4


 10 - f = 4


 f = 6N


at lower block , friction acts as driving force so


f = mBaB = 3a


6 = 3a


a = 2m/s2

6 years ago
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