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Uniform Circular Motion Quiz - Statistics

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  • This quiz has been taken 13 times
  • The average score is 8 of 15
Answer Stats
Question Answer % Correct
The Acceleration vector is always pointed towards the ______ of the circle Center
100%
True or False: When a ball attached to a string is moving in a circular vertical motion, the two forces applied on it is Force of Tension and Force of Friction False
100%
True or False: Centrifugal Force is the Force that pushes an object toward the circle False
100%
True or False: The Centripital force is in the direction of the acceleration False
100%
The relationship between Period and Frequency is a(n) _____ relationship Inverse
100%
The velocity vector is _____ to the acceleration vector Perpendicular
100%
What is the apparent weight of an astronaut in space, when orbiting the earth 0
40%
A Spacecraft is leaving Earth for Mars, at what distance will the gravitational force between the Spacecraft and Earth reach 0 Never
40%
With an object in UCM, what would happen to the net force if the radius remains the same and the speed was doubled. It____________ Quadruples
40%
What is the frequency of an object that makes 5 rotations in fifty seconds? No Units needed 0.1
20%
What is the period of an object that makes 5 rotations in fifty seconds? No Units needed 10
20%
Two spherical objects have masses of 200 kg and 500 kg. Their centers are separated by a distance of 25 m. Find the gravitational attraction (force) between them. No Units needed 1.067x 10-8
0%
A 0.65 kg ball is attached to the end of a string. It is swung in a vertical circle of radius 0.50 m. At the top of the circle its velocity is 2.8 m/s. Find the Tension in the string. 3.83N
0%
A 45 kg physics student is riding on a roller coaster that enters a vertical loop of radius 30 m. At the bottom of the loop the velocity of the roller coaster cart is 12 m/s. Find the normal force on the student. 666N
0%
A popular daredevil trick is to complete a vertical loop on a motorcycle. This trick is dangerous, however, because if the motorcycle does not travel with enough speed, the rider falls off the track before reaching the top of the loop. What is the minimum speed necessary for a rider to successfully go around a vertical loop of 10 meters? 9.9 m/s
0%
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