Classical mechanics / interaction force laboratory

Newton's Third Law

INTERACTION FORCES ARE EQUAL AND OPPOSITE

Release the carts and compare both forces, accelerations, and momenta.

Live system values

3D lab

Explore common action–reaction examples

Guided experiment

Ready. Release the interaction and compare both carts.

Object A mass

Object B mass

Interaction force

Friction per cart

Response A

Response B

Tap the rocket, exhaust, boat, water, walker, ground, swimmer, balloon, or vehicles to inspect the interaction.

Contact & playback

Contact duration

Keep forces as a Third-Law pair

Simulation speed 1×

Interaction sound

View, focus & graph

Zoom 1×

3D tilt 26°

Inspect a part

Expand caption values