1. Look at the pictures below of two people pulling on a cart of candy. Which way do you think the cart will move in each of the pictures below? Explain your predictions using drawings and words in ...

Why do things fall? It’s about force and motion. Find out more in this Science Trek short. A force is basically a push or a pull. Forces like gravity, inertia, and momentum affect everything. On ...

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 ...

I intend to talk about forces and force diagrams, but there is a more fundamental question to address first. What is a force? Most texts define it as a push or a pull. That really isn't a bad ...

Constant Force and Constant Motion I see this problem all the time. The idea that if you apply a constant force on an object, it should move at a constant speed.

This series of short explainer films with Professor Brian Cox comprises six clips focused on forces, speed and motion. Each clip uses simple terms and concrete examples to explain deep concepts ...

Electromechanical actuators offer the strength of hydraulic actuators with more precise movement and motion control.