- #1

fontseeker

## Homework Statement

Solve the free diagram of two stacked boxes on a frictionless table accelerated by a force.

## Homework Equations

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None

## The Attempt at a Solution

I have box 2 stacked on box 1. Box 1 is on a frictionless table and accelerated by a force. However, there is friction between box 1 and box 2.

Now, I was told that this is the diagram for that problem:

I thought that since m1 and m2 are moving to the

**right,**then the frictional force between box 1 and 2 will be to the

**left**, opposite to the direction of motion.

**Can someone confirm what is the actual direction of friction for the frictional force between box 1 and box 2?**

Also, is the action-reaction pair of forces between box 1 and box 2 the normal force of box 1 and the negative normal force of box 1?