A Box Sits on a Countertop,stationary

question 82

Multiple Choice

A box sits on a countertop,stationary.A boy pushes horizontally to the right on the box,and a girl pushes on it to the left,yet it remains stationary.Which of the following statements is false?

• A) We know the force of the boy on the box is equal in magnitude to that of the girl on the box because the box is in equilibrium.
• B) We know the force of the boy on the box is equal in magnitude to that of the box on the boy because of Newton's third law.
• C) We know the weight and normal force are equal in magnitude because the box is in equilibrium.
• D) We know the weight and normal force are equal in magnitude because of Newton's third law.

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