Have you ever had a large truck pass you from the opposite direction on a narrow

Question

Have you ever had a large truck pass you from the opposite direction on a narrow two-lane road? You probably noticed that your car was pulled toward the truck as it passed. What can you conclude about the speed of the air between your car and the truck compared to that on the opposite side of the car?

-the speed of the air between the car and the truck is lesser than that on the opposite side of the car
-the speed of the air between the car and the truck is greater than that on the opposite side of the car
-the speed of the air between the car and the truck is the same as that on the opposite side of the car

explain

Explanation / Answer

Speed of air between the car and the truck is greater than the speed of air outside them. That makes the pressure greater outside, which leads to them being pushed together to compensate. Also known as Bernoulli's principle.

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