Will bell (H.) ring when switch B is closed?

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 type of wave can travel without a medium

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction