Lecture Demonstrations
Lecture Demonstrations

Mechanics

Newton's Third Law - Action/Reaction

Fan cart on dynamics track with/without screen

Use this cart on the dynamics track. First put the screen on the cart (it's magnetic) and the cart doesn't move with the fan running. Next, hold the screen near the cart, but not attached while the fan is running. Now the cart moves backward.

photo: Fan cart on dynamics track with/without screen

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