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## Homework Statement

A very heavy sack is hung from a rope and pushed sideways. When the sideways push is 220N the rope supporting the sack is inclined 18 degrees to the vertical.

A) Calculate the tension in the rope

B) Hence find the mass of the stack

## Homework Equations

## The Attempt at a Solution

I'm really cluesless as to what to do on this question. For part A I figured I would try trig and did 220Sin(18) = 67.98. I have no idea if I did that right though, as for part B I thought it would be either splitting the answer I got for tension into it's components and and using the downward force or it would just be the same as the answer to A.