Ice Sailing

QUESTION:

An ice sailcraft is stalled on a frozen lake on a windless day. A large fan blows air into the sail. If all the wind produced by the fan strikes the sail and then bounces backward, the craft will move

1. backward (to the left).
2. forward (to the right).
3. not at all.

For help with this question, see Conceptual Physics, Chapter 6.

Check your answer.

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