However, objects can develop a static net charge if they pick up extra electrons or lose some electrons. This can happen through friction. Objects with opposite net charges attract, and objects with ...
Statics is the study of objects when they're NOT accelerating. Whenever you walk across a bridge or lean on a building, Statics are at work. Statics is the study of objects when they're NOT ...
I'll be honest—friction is pretty complicated. Imagine that I have a block of wood sliding on a table. In some way, the atoms on the surface of the wood block are interacting with the surface atoms on ...
Friction is a force that opposes motion. It is present whenever two surfaces rub over each other, such as when you rub your hands together, or when you apply the brakes on a bike or in a car. Friction ...
A tiny worm turns static electricity into a powerful weapon, launching itself through the air to catch flying prey.
Physics, particularly forces and motion, can be challenging. By observing everyday motion, conducting simple experiments, and understanding Newton's laws in plain language, the concepts become more ...
Flash Physics is our daily pick of the latest need-to-know developments from the global physics community selected by Physics World‘s team of editors and reporters Crystal clear: MRI scans of vials ...