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Air Resistance, Sails, Propellers

Air Resistance, Sails, Propellers. Remember…. Air Resistance- force of air pushing against the motion of an object Air resistance is a type of friction. Watch This!. Air flow moving around and object. Sails and propellers both help with air resistance. .

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Air Resistance, Sails, Propellers

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  1. Air Resistance, Sails, Propellers

  2. Remember… • Air Resistance- force of air pushing against the motion of an object • Air resistance is a type of friction

  3. Watch This!

  4. Air flow moving around and object

  5. Sails and propellers both help with air resistance.

  6. How can sails help with air resistance?

  7. How can propellers help with air resistance?

  8. Your Task… • Using the rubber band energy that you have discovered, you will be documenting how the travel of the car changes with air resistance.

  9. Directions • First, use the rubber band to create 3 trial runs (2 twists, 5 twists, 10 twists). Record the times in your science notebook of how long it takes to travel a certain distance. • Figure out how to attach the cardboard piece to your car to make a flat sail. • Now use the rubber band and same twists to see how the “sail” effects the moving of the car.

  10. Think About This… • What did you observe when your vehicle moved with the sail influencing the motion? • How could you have adapted the sail so that it would have less effect on your vehicles motion?

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