The "Skater World" simulation (comparable to PhET) lets you change friction and gravity. Watch how changing mass affects acceleration in real-time graphs.
How to get started
Why it’s free HMDScience.com is committed to open access education. We provide these materials at no cost so learners everywhere can build strong foundations in physics without barriers.
Covington-PLANET JR. PLANTERS
Covington/Cole PLANET JR. PLANTERS
The "Skater World" simulation (comparable to PhET) lets you change friction and gravity. Watch how changing mass affects acceleration in real-time graphs.
How to get started
Why it’s free HMDScience.com is committed to open access education. We provide these materials at no cost so learners everywhere can build strong foundations in physics without barriers.