Question 37: The wind exerts a force on the sail:

A. The direction is parallel to the side of the boat, the same direction as the direction of motion of the boat.

B. parallel to the side of the boat, opposite to the direction of motion of the boat.

C. perpendicular to the side of the boat, direction from top to bottom.

D. perpendicular to the side of the boat, from the bottom up.

The wind acts on the sail with a force parallel to the side of the boat, in the same direction as the direction of motion of the boat.

⇒ Answer A

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