Understanding Gravity: Step Stool Scenario
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Questions and Answers

What prevents a student standing at the top of a step stool from moving downward?

  • The step stool is a barrier that blocks the gravitational force.
  • The student exerts an upward force on the step stool equal to the gravitational force. (correct)
  • The student's mass is not large enough to be affected by gravity.
  • The step stool exerts a force on the student in the opposite direction of gravity.
  • Why does a student standing at the top of a step stool not move downward according to the given information?

  • The step stool exerts a force on the student equal to the force gravity exerts on the student. (correct)
  • The step stool exerts a force on the student in the opposite direction of gravity.
  • The student's mass is not large enough to be affected by gravity.
  • Gravity does not affect objects at higher elevations.
  • What role does the step stool play in preventing the student from moving downward according to the given information?

  • It blocks the gravitational force from reaching the student. (correct)
  • It exerts a force on the student equal to the force gravity exerts on the student.
  • It reduces the effect of gravitational force on the student.
  • It exerts a force on the student in the opposite direction of gravity.
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