"An introduction to the six simple machines--the screw, lever, wedge, pulley, inclined plane, and the wheel and axle--and examples of how they are used in real life"--

When someone rides a roller coaster or other thrill ride, they may experience some G-forces. What does that do to the body? And what happens when a person experiences a higher amount of Gs, like when flying a fighter jet? Readers engage with this topic and many more about the extreme nature of some of the forces on Earth, including those we interact with every day. Key physical science concepts such as push and pull, gravity, and thrust and drag are...

"Come along on a science adventure to discover how cars speed up and slow down, how astronauts float in space, and so much more! This fun question and answer book has everything from facts and figures to simple diagrams and hilarious illustrations to help you learn introductory physics terms and concepts including displacement, velocity, acceleration, forces, friction, gravity and more."--Back cover