This video explains the role of normal force in forces of constraint, shedding light on how it affects the motion of objects ...

Learn how to calculate the universal gravitational force between two objects! This video explains Newton’s Law of Gravitation, walking you through the formula, units, and a step-by-step example to ...

It's a philosophical question as old as humanity. What happens when an unstoppable force meets an immovable object? The scientist-artists at MinutePhysics have attempted to answer this question with ...

Barry Lienert, a geophysicist at the University of Hawaii, provides the following explanation. We start by determining the mass of the Earth. Issac Newton's Law of Universal Gravitation tells us that ...