Why we use a System Momentum Calculator? It will show total motion of parts. It can add up each part’s […]

If there a tiny spring inside your pen. You press the clicker. The spring compresses. You release it. The spring

Think about a figure skater spinning on ice. She pulls her arms close to her body. Suddenly, she spins faster.

Watch a massive truck roll down the highway at 60 miles per hour. Now picture a motorcycle zooming at the

Imagine watching a bowling ball roll down a lane while a feather floats beside it. Both move, but something feels