Stack of Blocks Part A A force F = 17 N pushes on a horizontally stacked set of

Question

Stack of Blocks Part A A force F = 17 N pushes on a horizontally stacked set of blocks on a frictionless surface as shown below. The masses are m1 = 3.0 kg, m2 = 5.0 kg, and m3 = 6.0 kg, what is the acceleration of the stack? m2 m3 ml Subrmit Answer Tries 0/6 Part B What is the net force on block 1? Submit Answer Tries 0/6 Part C What is the magnitude of the force from block 2 on block 1? Submit AnswerTries 0/6 Part D What is the magnitude of the force from block 3 on block 2 Submit AnswerTries 0/6

Explanation / Answer

a)

F = (m1 + m2 + m3)*a

So, 17 = (3 + 5 + 6)*a

So, a = 1.21 m/s2 <--------- answer

b)

net force on block 1 :

F1 = m1*a = 3*1.21 = 3.63 N

c)

So, force from block 2 on block 1 = 17 - 3.63 = 13.37 N

d)

force from block 3 on block 2 = 13.37 - 5*1.21 = 7.32 N

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