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## Homework Statement

When a dog stands at rest with each of its four feet on a separate set of scales, each scale reads a value of 45n. if this dog then carefully lifts one foot of the a scale and up into the air, what is the reading on each of the remaining three scales? (assume the dogs weight is evenly distributed between the three scales)

## Homework Equations

I would add the scales up to 180, assume the dogs weight to be 180n, then divide that by three to get 60n. I have been looking through the textbook and I can't find a relevant way of working this problem out, however I am not sure if it is as simple as it seems.

## The Attempt at a Solution

45*4 = 180n/3 = 60n

Any help or confirmation would be greatly appreciated :)