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WorksheetsCentripetal Motion Review
Total questions: 20
Worksheet time: 9mins
f
Force
Frequently
Frequency
Friction
ω
tangential velocity
centripetal acceleration
period
angular velocity
walrus
20 seconds to do 4 spins. Frequency = _______
5 rev/sec
0.2 rev/sec
0.25 rev/sec
80 rev/sec
Units on period.
seconds
rev/sec
rad/sec
m/s
Tangential velocity
How fast an object spins.
Acceleration pointed toward center
How fast an object flies off in a straight line
Number of spins per second
T
Total Time
Torque
Tension
Period
Units on Angular velocity
rpm
rad/sec
rev/sec
s2m
30 seconds for 6 spins. Period = ___________
30 sec
0.2 sec
5 sec
6 sec
Centripetal force
A force that always points outward
A force that always points tangent to the circle
A force that always points toward the center
A force that always points up
A ride is spinning at 10 rev/s. What is the angular velocity?
62.8 rad/s
10 rad/s
0.628 rad/s
15.7 rad/s
Units on centripetal acceleration
sm
secrad
s2rev
s2rad
s2m
Angular Velocity
How fast an object spins in rev/sec
How fast an object spins in rad/sec
How fast an object moves in a straight line.
Acceleration that points toward center of circle.
Frequency
Time for 1 spin
Total time
# of spins in 1 sec
Total spins
All points on a spinning disk have the same angular velocity.
True
False
240 rpm = ___ rev/sec
14,400
300
24
4
Riders further from the center of a Merry-Go-Round have a larger tangential velocity than riders closer to the center.
True
False
On a floor drop ride, the _________ force is the centripetal force.
Tension
Normal
Friction
Weight
A rider on a Carousel is 2 meters from the center. The ride is spinning at 0.5 rad/sec. What is the tangential velocity of the ride?
4 m/s
1 m/s
2 m/s
0.5 m/s
When a rubber stopper is spinning on a string, the ________ force is the centripetal force
Torque
Friction
Tension
Normal
A rider on a ride spinning at a constant speed does NOT experience an acceleration.
True
False
