Question What can the “crack-the-whip” effect do? Answers Turn over trailers. Make loud noises. Make trucks accelerate. Make trucks decelerate. Explanation The "crack-the-whip" effect can cause a trailer to turn over during a lane change. To avoid this phenomenon, drivers should make lane changes at slow, safe speeds. Take a FREE Practice Test Now This questions appears in the following tests: Nevada Tank , District Of Columbia Combination , Maryland Combination , Utah Combination , Wyoming Combination ,