Asked by Lauren
An Atwood's machine consists of two crates of different masses. If the pulley is frictionless and
massless along with a string of negligible mass, find the acceleration of the crates and the
tension in the string
massless along with a string of negligible mass, find the acceleration of the crates and the
tension in the string
Answers
Answered by
bobpursley
assume the weight of the hanging down mass to be M2, with the other mass is horizonal movement, and mass M1
net force=m2*g=totalmass*a
m2*g=(M1+M3)a
now tension between them. the tension is pulling mass1
tension=m1*a
or, tension is holding back M2 and
m2g-tension=M2a
either equation willwork, and you should be able to confirm these equations with individual free body diagrams, and UNDERSTAND those (Hint: you will likely see it on a test)
net force=m2*g=totalmass*a
m2*g=(M1+M3)a
now tension between them. the tension is pulling mass1
tension=m1*a
or, tension is holding back M2 and
m2g-tension=M2a
either equation willwork, and you should be able to confirm these equations with individual free body diagrams, and UNDERSTAND those (Hint: you will likely see it on a test)
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