[MUSIC] JOAN CARTAN-HANSEN, HOST: Force is a fancy word for a push or a pull. And motion is the changing of a position or location. Some forces require contact. Others, called natural forces ...

But the Earth's gravitational pull on the moon is great. The Earth's gravity keeps the moon in Earth's orbit. For more information about force and motion, check out the science trek website.

Learn the key differences between centripetal and centrifugal forces, their real-world applications in physics, and how they shape our understanding of circular motion. When you purchase through ...

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 ...