Gravity is a force that pulls objects down toward Earth's surface.
Which two statements explain why a student standing at the top of a step stool does not move downward?
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.
The student exerts an upward force on the step stool equal to the gravitational force.
The step stool is a barrier that blocks the gravitational force.
The step stool exerts a force on the student equal to the force gravity exerts on the student.
The correct statements are:
1. The step stool exerts a force on the student in the opposite direction of gravity.
2. The student exerts an upward force on the step stool equal to the gravitational force.