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Suppose that a ball is attached to a string and swung back and forth between P1 and P2 like a pendulum.
If you cut the ball when the ball is at the far end of its swing, which path would the ball take as it falls to the ground?
Average: = 46%
Please explain the arguments behind your choice.
Answer: Velocity is zero. Only force is directed perpendicular
Average: = 33%
My guess is that the 2/3 of our students who gave the wrong answer are strong Aristotelian, assuming that the force of the movement in the past is still there and continues to have an effect.