Which state of matter has a definite
volume but does not have a definite shape

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.

Which of the following represents an upside-down image?

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1