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 ...

Centripetal and centrifugal forces are central to circular motion, but they're not the same. Discover the differences between ...

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 ...

Through precise motion and pressure control, researchers are creating levitation effects powered entirely by liquid flow.

To break symmetry, all cells polarize making one part of the cell structurally, functionally, or computationally different than another. Polarization requires a complex arrangement of active processes ...