- #1

QuantumRose

- 11

- 1

Problem:

https://drive.google.com/open?id=19PDuyshgP6u4U9mXU3BfrF031J8wL12B

and from the equations of the drum 2, I get

Since drum 2 must stay on the bottom drums, so it will not fly up, thus

https://drive.google.com/open?id=1tpDM2zHyDQ84m73GC0EgcZsNz5Q4tq1z

I got the upper bound of the acceleration, but I don't know if it is correct.

My question:

Although I got the seemingly correct upper bound of the acceleration, but I don't know how I can get the lower bound of the acceleration?

https://drive.google.com/open?id=19PDuyshgP6u4U9mXU3BfrF031J8wL12B

**Attempt:**I tried to solve the range by listing out the Newton's 2nd laws of each drum**https://drive.google.com/open?id=1Eslg2Wy3orG41eywwm_O6qN4OQ3QN-bA**and from the equations of the drum 2, I get

**https://drive.google.com/open?id=19MFda8L_YuDBlsOg1_76O3-w1rJjHhfW**Since drum 2 must stay on the bottom drums, so it will not fly up, thus

https://drive.google.com/open?id=1tpDM2zHyDQ84m73GC0EgcZsNz5Q4tq1z

I got the upper bound of the acceleration, but I don't know if it is correct.

My question:

Although I got the seemingly correct upper bound of the acceleration, but I don't know how I can get the lower bound of the acceleration?

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