# Atwood Machine pulley homework

## Homework Statement

A pulley with mass Mp and a radius Rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
Mass M2 is larger than mass m1. The quantities Tn and g are magnitudes.
1) The magnitude of the acceleration of m1 is ..... that of M2.
2) T1 is ..... T2;
3) T3 is ..... m1g + M2g + Mpg.
4) The C.M. of Mp+M1+M2 accelerates.
5) T3 is ..... T1 + T2
6) T1 is ..... m1g.
Each has the options of True/False/Less than/Greater than/Equal to

2. The attempt at a solution
1) Equal to
2) Greater than
3) Equal to
4) False
5) Greater than
6) Equal

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## Answers and Replies

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Hey there -- could you explain your reasoning for each of your answers? It's policy for the forums, and it helps us determine whether your answers are correct.

Nevermind!!! I was able to figure out the answer. It was:
1) equal to
2) less than
3) less than
4) true
5) greater than
6) greater than

I think you still have one incorrect answer.

BiGyElLoWhAt
Gold Member
I think you still have one incorrect answer.

I agree. I see one answer that doesn't agree with the situation.

It is online homework and the program said all my answers were correct.