Can a reaction force ever be greater or less than an applied force? Explain.

In this experiment, you will use a track, a toy car, and some washers to explore newton’s first two laws of motion. you will make observations and collect data regarding the motion of these objects. in the space below, write a general scientific question that you will answer by doing this experiment.

How many molecules are present in 3 mols of silicon dioxide (sio2)?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass