Question: 2. A student observes an apple falling from a tree and makes the following statement: The Earth exerts a force on the apple, the

2. A student observes an apple falling from a tree and makes the following statement: "The Earth exerts a force on the apple, the force of gravity. The Earth does work on the apple. I can write the following equation to describe this interaction: "Wapple, earth = AK + AUgrav "The work done by the Earth increases the apple's kinetic energy and decreases its potential energy." What mistake is this student making? How would you correct the student's equation?

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