Question #86

An air track glider, seen in the photograph at the left below, is equipped with a sail as seen in the photograph. Air from the air gun shown in the photograph is directed onto the left side of the sail, as indicated in the drawing at the right below.

When the air gun is turned on, what will the glider do?

• (a) move to the right.
• (b) move to the left.
• (c) remain where it is.

Click here for Answer #86 after October 15, 2001.

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