AP Physics B Practice Exam

Category - Introductory Physics

A toy cart that has a weight of 10 N moves with a constant velocity of 2 m/s to the right on a horizontal table. According to Newton’s laws of motion, which of the following statements is correct?
  1. The table exerts a force of 10 N upward on the toy cart.
  2. The toy cart exerts a force of 10 N upward on the table.
  3. The toy cart exerts a force of 2 N downward on the table.
  4. The table exerts a force of 2 N to the right on the toy cart.
Explanation
Answer: A - The table exerts a force of 10 N upward on the toy cart.
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