PhysicsLAB: Drill: Circular Motion

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Drill: Circular Motion

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	What force supplies the centripetal force to keep the specks of dust on the record's surface as it rotates?

	What is the value of the minimum coefficient of static friction required in the previous question?

	For a conical pendulum, what force supplies the centripetal force?

	What is meant by the term "uniform circular motion?"

	For an object moving in uniform circular motion, what formula can be used to calculate the period, or time for one revolution, if you know the radius of the circle and the object's tangential velocity?

	For satellites in uniform circular motion, what force supplies the centripetal force?

	What equation would be used to calculate the satellite's centripetal acceleration if you know the mass of the central planet and the satellite's orbital radius?

	What formula could be used to calculate the tangential velocity of the satellite in the previous question?

	True or False? Satellites in higher orbits have a greater tangential velocity.

	What is Kepler's Third Law?

	How can the 3rd law be used to compare the behavior of satellites which orbit the same central planet?

	If a mass on the end of a string is being twirled in vertical circular motion, when is the tension in the string the greatest?

	True or False: The velocity of the mass in the previous question remains constant throughout the circle.

	What is the equation used to determine the critical velocity of the mass as it passes through the top of the circle?

	If the radius of the vertical circle is known, how fast will an mass released horizontally from rest be traveling when it reaches the bottom of the circle?

	Would the mass in the previous question (that was released horizontally from rest) ever be able to swing through the top of its circular path?

	On a roller coaster, at what point in the ride could the participants experience "apparent weightlessness?"

	What is the critical velocity of an object traveling through a banked curve if you know the radius of the curve and its banking angle?

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