Purpose: The purpose of this experiment is to prove that the work-kinetic energy theorem is true. The work done is equal to the change in kinetic energy in a system.
Apparatus:
Theory:
The change in kinetic energy is equal to the amount of work we do as we move a mass from point v0 to vf.
Data:
N/A
Graphs:
Analysis:
The area under the force vs position graph is very close to the kinetic energy in the same position in the kinetic energy vs position graph. This proves that the work-kinetic energy theorem is effective.
Conclusion:
The work done on the cart by the spring is very close, almost the same as the change in kinetic energy of the cart. Where uncertainty might have occurred may be that the track is not 100% frictionless, resulting in some of the energy being lost in friction.
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