Simple language and humorous illustrations show how forces make things move, prevent them from starting to move, and stop them from moving. There are forces at work whenever you throw a ball, run up the stairs, or push your big brotheroff the couch. Want to learn more about the forces around you? Read and find out! This title in the ALA 'Booklist' Top Ten Nonfiction series explains one of the most fundamental concepts of physics in simple terms, exploring such forces as momentum, velocity, and gravity. Full color. |