AlyssaDixon
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- Feb 16, 2011
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... The acceleration of gravity is 9.8 m/s2 . The car weighs 2.4 Mg and the angle of the road is 23 degrees.
1. What is the net centripetal force needed to keep the car from skidding sideways?
Answer in units of N.
2. Were there no friction between the car’s tires and the road, what centripetal force could be provided just by the banking of the road?
Answer in units of N.
3. Now suppose the friction force is sufficient to keep the car from skidding. Calculate the magnitude of the normal force exerted on the car by the road’s surface. Hint: Check the correctness of your answer to the first question before proceeding with this and the following questions.
Answer in units of N.
4. Calculate the magnitude of the friction force.
Answer in units of N.
5. Calculate the lowest possible value of the static friction coefficient ?s that would prevent the car from skidding.
1. What is the net centripetal force needed to keep the car from skidding sideways?
Answer in units of N.
2. Were there no friction between the car’s tires and the road, what centripetal force could be provided just by the banking of the road?
Answer in units of N.
3. Now suppose the friction force is sufficient to keep the car from skidding. Calculate the magnitude of the normal force exerted on the car by the road’s surface. Hint: Check the correctness of your answer to the first question before proceeding with this and the following questions.
Answer in units of N.
4. Calculate the magnitude of the friction force.
Answer in units of N.
5. Calculate the lowest possible value of the static friction coefficient ?s that would prevent the car from skidding.