Liza is pulling a wagon across the floor in a straight line at a constant speed of 3 m/s. If Liza is pulling with 20 N applied force on the box, what is the direction and magnitude of the frictional force on the wagon?

Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.