A FedEx employee is called to an office on the 4th floor of a building to pick up a large box. The employee loads the box into the elevator, presses the button for the 1st floor, and leans against the side of the box for the ride down. When the elevator starts moving, the employee nearly falls to the floor as the box starts to slide across the floor! Why would this occur?

Click the game tab at the bottom of the simulation and select level 1. (there is no seesaw balance for this part of the activity.) balance the first equation, and click check to see if you got it right. if you can’t balance it in the first try, you can try again. work through the five equations for level 1. click continue to go on to level 2, and later level 3. each level is more difficult than the one before. keep trying until all the equations are balanced. in one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.