As a result, any object in free fall near Earth's surface accelerates at 9.81 m/s/s. The gravitational force acting on an object is not always equal to its weight. A free falling object experiences a ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. This helps, sort of, but as more numbers get thrown around, it can get ...

Like most real-world problems, physics can get very complicated. When a physicist considers the fate of this falling cockroach, their first step is to change the problem into something simpler. It's ...