Energy and Momentum Topics

Conservation of Momentum

The universe, as you may have noticed by now, is a pretty cool place. Physics is really about...

Impulse

Any time a force is applied to an object, its momentum is going to change. This change in...

Kinetic and Potential Energy

While momentum is crucial to our understanding of mechanics, it doesn't tell the whole story....

Conservation of Energy

So if there's all these forms of energy, we need some way to move between them—Doc Brown...

Collisions

Collisions in physics come in three flavors:1. elastic collisions, where the kinetic energy of a...

Work

Up to this point, physics has been all fun and games, right? Well, time to roll up your sleeves...

Power

Finally, with our knowledge of momentum and energy, we've reached the end goal of every physics...

Common Mistakes

Make sure to keep track of every object in a question. If you're trying to find the momentum of...

Test Your Knowledge

1. In billiards, all the numbered balls weigh 0.16 kg, but the white cue ball is slightly heavier...