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The Inclined Plane

The Inclined Plane. Motion on a ramp inclined at an angle can be analyzed using vectors. Drawing a free body diagram is essential. Ex. What is the acceleration of a skier down a 40° hill?.

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The Inclined Plane

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  1. The Inclined Plane

  2. Motion on a ramp inclined at an angle can be analyzed using vectors. Drawing a free body diagram is essential.

  3. Ex. What is the acceleration of a skier down a 40° hill?

  4. Ex. A 50 kg child slides down a slide at an angle of 50° to the horizontal. If the coefficient of friction is 0.3 between the child and the slide, what is her acceleration?

  5. What Now? 1. Using a car on a ramp, determine the coefficient of kinetic friction, µk. You may have: Ramp, Rulers, Stopwatch, Car 2. Use the coefficient of kinetic friction to determine the accepted value for the time it takes a car to travel down a ramp. 3. Determine the experimental value for the time it takes a car to travel down a ramp.

  6. What Now? • Compare your experimental and accepted values for the time it takes the car to travel down the ramp – what does this say about the accuracy of your value for the coefficient of kinetic friction? • How could you find the coefficient of static friction? • Hmwk: p. 82 # 2, 3; p. 83 # 4, 6

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