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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
8 years ago

Answers : (1)

vikas askiitian expert
509 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

8 years ago
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