Each of 104 identical blocks sitting on a frictionless surface is connected to t

Question

Each of 104 identical blocks sitting on a frictionless surface is connected to the next block by a massless string. The first block is pulled with a force of 104 N.

Part A:

What is the tension in the string connecting block 104 to block 103?

Express your answer with the appropriate units.

Part B:

What is the tension in the string connecting block 52 to block 53?

Express your answer with the appropriate units.

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An explanation along with the answer would be appreciated. Thanks in advance!

Explanation / Answer

let mass of each block be m1 considering all the 104 blocks as a system, net acceleration =104 N/(104*m)=(1/m1) m/s^2 so tension on the wire connecting 104 to 103=force on block no.104=m1*1/m1=1 N part B. if the tension in the string connecting block 52 to block 53 is T, then T=force on block 53 to block 104 taken as a single system=52*m1*1/m1=52 N

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