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2 cards from this section. Quick, good the night before a test.
What provides the centripetal force for a car turning on a flat road?
Consider the forces acting on a car while turning.
Define centripetal acceleration.
Think about what happens to velocity in circular motion.
What is centripetal force?
Think about what direction this force acts.
True or False: Friction is not needed when an object is in uniform circular motion.
Consider special scenarios like banking.
A 10 kg stone is attached to a 1 m string and swung in a horizontal circle at a constant speed. If the stone's speed is 4 m/s, calculate the tension in the string.
Use the centripetal force formula.
A car rounds a curve with a radius of 100 m and a speed of 25 m/s. What minimum coefficient of friction is required to prevent slipping if the road is flat?
Determine the frictional requirements using the accelerative formula.
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