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

AMark's physics book is on the desk. Mark pushes horizontally (from the side) on the book, but the book does not move. |

BKendall'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. |

CJenny pushes a cart at constant velocity down the grocery store aisle. |

DEddy is driving his Camaro down a straight, level road while on cruise control. |

ERyan 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. |