A force can be a push or a pull. When a force is exerted on an object it can change the object's speed, direction of movement or shape. Pressure is a measure of how much force is acting upon an area.

Introduction Do you think you could break a wooden ruler using just the air around you? What about if you added a newspaper and just one hand? In this cool physics demonstration you'll use the sheer ...

Air Force Airman 1st Class Catherine G. Wagner graduated from basic military training at Joint Base San Antonio-Lackland, San Antonio, Texas. The airman completed an intensive, eight-week program that ...