Surfing
1. What is the most common force that creates ocean waves?
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2. What three factors contribute to the formation of good surfing swells? How
fast the wind is blowing, the surface area of ocean that's affected by the
storm, and the amount of time those winds blow over a given spot on the
ocean.
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3. The best surfing swells come from a ___________wind blowing over a
____________ ________________ of ocean.
4. Choppy waves have more or less energy than smooth waves.
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5. A number of small waves coming together create what?
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6. What two forces are acting on you and your board when you are lying on
your board in still water waiting for the next wave?
__________________________ and ____________________________
7. At rest, the gravitational force and the buoyant force are ______________
and _______________________. The net force of the surfer plus the
board is _____.
8. A Surfer guides the board by moving forward, backward or to the side.
Using the two forces, gravity and buoyancy, explain how the surfers
movements affect the movement of the board.
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9. When a surfer pushes down on the board, the water exerts an equal and
opposite force on the board. Which of Newton’s Laws is acting in this
case?
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10. What characteristics of a surfboard affect its buoyancy?
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