Physics Sketchpad is a physics simulator in which one can observe the effect of different forces upon objects. It can be used as a planet simulator or projectile simulator if one adjusts the forces accordingly.

Forces include:
• Gravity Between Objects: normal, inverted, or none with adjustable strength
• Global Gravity: none, downward or upward with adjustable strength
• Collision Type: merge, bounce, destroy, or none
• Drag/Acceleration: none, drag, or acceleration with adjustable strength
• More coming soon

This app works best on an Android device with a large screen size, such as a tablet or bigger phone. If used on a small screen, it would be more difficult to press buttons, but should work fine.

This app is in beta, so expect bugs and flaws. Please send any bug reports, comments, or suggestions to [email protected]

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Recent changes:
[Hopefully] fixed force-close issues