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## Homework Statement

This is the second part of a problem. In the first problem I determined friction coefficient of an 8N block requiring 2.9 N of force to move is .3625.

The second part of this problem asks: If a weight is added to the block and it now requires 5.7 N to move both at a constant acceleration, what would the weight of the block be?

## Homework Equations

w=mg

f=uN

u=f/N

## The Attempt at a Solution

I attempted to use the friction coefficient I found in the first problem and set it up as N=f/u. This provided me with the wrong answer.