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Truck on Moving Sheet
# 1C10.10

Description: Demonstrate superposition of velocities by pulling on the sheet below the moving tractor.

Instructions: Place the constant speed battery powered tractor at one edge of the sheet of paper or fabric sheet. Turn the tractor on and pull the sheet of paper at a constant speed so that the car remains motionless relative to the table.

Hazards: None.

Parts: One battery operated truck
A big piece of poster paper or a sheet
A reflection mirror for larger rooms

Quant. in Demo Room: 1

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 01-09 Identical bulldozers run at constant speed, one on a moving paper, to show how velocities add and subtract.

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