What is Momentum? | Momentum Definition in Physics for Kids | Twinkl USA

In this video, we define momentum in a simple way for kids! You’ll learn the momentum definition, the unit of momentum, and how to calculate momentum using mass and velocity. We’ll explore fun examples—like why a truck has more momentum than a car—and review everything with student-friendly questions at the end.

This video is perfect for students learning physics basics, homeschool lessons, and classrooms looking for an easy introduction to momentum.

✨ Review Questions and Answers
1. What two things do you need to calculate momentum?
➡️ Mass and velocity.
What is the formula for momentum?
➡️ Momentum = mass × velocity.
What is the unit of momentum?
➡️ Kilogram meters per second (kg·m/s).
If a heavy truck and a small car move at the same speed, which has more momentum? Why?
➡️ The truck, because it has more mass.

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