Read each description below. choose the force diagram (free-body diagram) that best represents the description. you may neglect the effects of air resistance. |

a. mark's physics book is on the desk. mark pushes horizontally (from the side) on the book, but the book does not move. |
b. kendall's physics book is on the desk. kendall pushes horizontally (from the side) on the book, and the book moves across the desk at a constant speed. |
c. jenny pushes a cart at constant velocity down the grocery store aisle. |
d. eddy is driving his camaro down a straight, level road while on cruise control. |
e. ryan is accelerating his dakota down a straight, level road. |
f. jackie's viper is parked on the shoulder of the road while she changes a flat tire. |