Which of the following statements is incorrect?
A. Friction acts on a ball rolling along the ground.
B. Friction acts on a boat moving on water.
C. Friction acts on a bicycle moving on a smooth road.
D. Friction does not act on a ball moving through air.
Answer:D
Which of the following statements is incorrect?
A. Friction acts on a ball rolling along the ground. B. Friction acts on a boat moving on water. C. Friction acts on a bicycle moving on a smooth road. D. Friction does not act on a ball moving through air.