Students will elevate the car in two ways: lifting directly and pulling up the ramp. They will find that it takes less force to pull the car up the ramp, but they do more work. The extra energy goes into friction in the system.
Students will elevate the car in two ways: lifting directly and pulling up the ramp. They will find that it takes less force to pull the car up the ramp, but they do more work. The extra energy goes into friction in the system.
January 01, 2011 Collin Wassilak
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