About Forces and Motion: Basics
Explore the forces at work when pulling against a cart, and pushing a refrigerator, crate, or person. Create an applied force and see how it makes objects move. Change friction and see how it affects the motion of objects.
How to play Forces and Motion: Basics
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Explore the forces at work when pulling against a cart, and pushing a refrigerator, crate, or person.
Questions & answers
- What is Forces and Motion: Basics?
- Forces and Motion: Basics is a free interactive simulation from PhET Interactive Simulations (University of Colorado Boulder) that you can play right in your browser on crumble.lol — no downloads and no sign-up. Explore the forces at work when pulling against a cart, and pushing a refrigerator, crate, or person. Create an applied force and see how it makes objects move.
- What can kids learn from Forces and Motion: Basics?
- It helps kids explore: identify when forces are balanced vs unbalanced. determine the sum of forces (net force) on an object with more than one force on it. predict the motion of an object with zero net force. predict the direction of motion given a combination of forces.
- What age is Forces and Motion: Basics good for?
- It is designed for elementary school (roughly ages 5–10) up to university, and curious kids outside that range can absolutely enjoy poking around it too.
- Is Forces and Motion: Basics free to play?
- Yes — Forces and Motion: Basics is completely free on crumble.lol and runs fully in your browser on computers and tablets.