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Double pulley problem--difference in acceleration
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a= g(M-m)/M+m
Okay, so overall, pulleys just confuse me. We barely mentioned them in class and there's precious little about them in our books. I tried to answer this question and was able to get the first part (a) by finding the above equation on Google. However, as the question would lead you to assume, the answer to be is NOT the same. The problem is, I see no difference other than the fact that a box was replaced by hand. I don't understand why, if the downward force is the same, you would get a different acceleration. Because I don't understand this, it's making it pretty much impossible to know what to change in order to solve part b. I don't even know where to get started...
Homework Statement
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Homework Equations
a= g(M-m)/M+m
The Attempt at a Solution
Okay, so overall, pulleys just confuse me. We barely mentioned them in class and there's precious little about them in our books. I tried to answer this question and was able to get the first part (a) by finding the above equation on Google. However, as the question would lead you to assume, the answer to be is NOT the same. The problem is, I see no difference other than the fact that a box was replaced by hand. I don't understand why, if the downward force is the same, you would get a different acceleration. Because I don't understand this, it's making it pretty much impossible to know what to change in order to solve part b. I don't even know where to get started...
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