How Does Surface Texture Affect Force?
Experiment with Friction Do this experiment to find out if bearings can reduce friction. Section 1.5: What Affects the Amount of Force Needed to Move an Object? Moving Objects in Space Log into this NASA site to learn how astronauts train to work in the microgravity of space. Section 1.6: How Do Slope and Load affect How Far a Can Rolls? Forces and Sports Learn about the connection between sports and forces. Follow the links to find out about the science behind baseball, surfing, and cycling. Section 1.7: Combining Forces Force Diagrams Learn how forces combine and how to draw force diagrams to show all the forces acting on an object. Momentum Learn how to calculate an object’s momentum. Forces and Flying Learn about the forces of aeronautics and how thrust, drag, and lift affect flight. Balanced and Unbalanced Forces Find out more balanced and unbalanced forces and many other topics related to forces. Chapter 2: Machines Use Force to Do Work Section 2.1: Machines Make Work Easier Work
