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.

These different safety features decrease the force of the collision on any people within the car. During a collision there is a change in momentum. The force of the collision is equal to the rate ...

Understand how to specify the proper pressure, force, strain, position, motion, acceleration, occupancy, and humidity sensors for taking real-time process data. Implement these sensors into an ...

Powerful magnets come together in a mesmerizing display of attraction and repulsion. Watch as they shift, align, and snap ...