Human sperm can swim through surprisingly viscous fluids with ease – and they seemingly defy Newton's third law of motion to ...

You're sitting in physics class, working on a traditional problem involving forces and acceleration, when you start to wonder where these terms even came from. Were they just dreamed up to bring ...

Gravity is the force of action between two objects. It’s called a natural force because it acts at a distance rather than needing to be in contact. Gravity is the force that holds us down on Earth and ...

Why is pancake syrup an example of a resistive force? Some forces are called contact forces because they require objects to touch. One is tension force, found in stretched wires. Another is the force ...

Above: An ice shove on Mille Lacs Lake sent huge chunks of ice into the backyard and a house in Isle, Minnesota, on Monday, April 20, 2020. (SCV/Doug Kiesling) I remember the first time I experienced ...