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## Homework Statement

The first problem I am having trouble with is as follows:

A child pushes a 40kg sled across the ice at a constant speed. If μk = 0.05 calculate the force applied to the sled.

## Homework Equations

I know that f=[itex]\mu[/itex]F

_{N}

## The Attempt at a Solution

I know that the free body diagram would consist of a point with a direction in the x coordinate, but I have no idea how to go about this problem. Math and physics is not my strong subject; this is my first ever physics class