The “crack-the-whip” effect for doubles and triples is: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question The “crack-the-whip” effect for doubles and triples is: Answers Not a problem. Only a problem when it's raining. A serious concern. Explanation Double and triple trailer combinations are more likely to be overturned due to the "crack-the-whip" effect than are other vehicles. Drivers must steer gently when pulling trailers. This questions appears in the following tests: Michigan Double