Warm Up: Please take out your Centripetal Motion notes

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Presentation transcript:

Warm Up: Please take out your Centripetal Motion notes Construct a qualitative force diagram for the car when it's at the top of the hill. (Justify the relative forces in your force diagram.)

Is the car experiencing an acceleration . Is the car experiencing an acceleration? If your response is yes, in what direction is the acceleration? Explain how you know.

Centripetal Acceleration

Suppose the speed of the car is 11 Suppose the speed of the car is 11.1 m/s (≈ 25 mph) and the radius of curvature (r) is 25 m; determine the magnitude of the centripetal acceleration of the car.

If the mass of the car is 1200 kg, what ΣF would be required to cause this centripetal acceleration?

Now, construct a quantitative force diagram for the car.

At what speed would the centripetal force equal the force of gravity?

Suppose the car were going faster than the speed that you calculated for question 7; describe what would happen to the car.