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23 questions
m/s
rad/s
m
s
Natalie and Jordan are at an amusement park, riding on a giant spinning wheel. If the radius of the wheel is doubled while keeping the speed constant, what happens to the centripetal force required to keep them moving in a circle?
It doubles
It remains the same
It halves
It quadruples
Sydney is spinning a 2 kg frisbee at a constant speed of 3 m/s in a circle with a radius of 0.5 meters. Can you calculate the centripetal force needed to keep the frisbee moving in its path?
36 N
18 N
12 N
6 N
Granger is spinning a frisbee on a string in a circle and suddenly decides to spin it at half the speed. What happens to the frisbee's tangential speed if the length of the string (radius) stays the same?
It is halved
It remains the same
It doubles
It quadruples
Jackson and Diana are at an amusement park, riding on a merry-go-round. Jackson wonders what would happen if the mass of the merry-go-round suddenly doubled while moving at the same speed.
The force doubles
The force remains the same
The force quadruples
The force halves
angular acceleration | |||
angular velocity | |||
angular displacement |
Layla is driving a car around a curve as shown in the diagram. Which arrow correctly shows the direction of the centripetal acceleration that keeps Layla on track?
A
B
C
D
You're in a physics class with Peyton and Trey. Peyton explains that (a) changes an object’s rotational speed, while Trey points out that (b) changes an object’s direction of motion.
Angular Acceleration
Centripetal Acceleration
Dylan is observing a toy car whirling uniformly on a circular track. Which statement is true about the car's motion?
The speed of the car changes as it moves.
The net force on the car is pulling it toward the center of the track.
The direction of the car's velocity remains the same throughout.
The net force on the car pushes it away from the center of the track.
Sydney is on a roller coaster that's zooming around a sharp curve. She wonders, 'What's the unit for the force keeping me on this track?' Can you help her figure it out?
J
m/s2
kg⋅m/s
N
Andrew, Rachel, and Dylan are at an amusement park, riding on a merry-go-round. If the tangential velocity of their ride is suddenly halved, what happens to the centripetal force required to keep them moving in a circle?
It is halved.
It remains the same.
It is quartered.
It is doubled.
Sydney, Natalie, and Jackson are observing a satellite orbiting the Earth in a clockwise direction. If you were positioned at point B on a map, in which direction would you see the satellite's tangential velocity pointing?
up
right
down
left
Jackson is riding a unicycle around a circular track with a radius of 1.65 m. If the unicycle accelerates at 3.5 m/s2, can you calculate how fast Jackson is zooming along?
2.4 m/s
3.6 m/s
3.9 m/s
4.2 m/s
Peyton and Jackson are having a race on their bicycles. Peyton notices that his bicycle's tires complete one rotation every 0.3s. If the radius of his tires is 30 cm, can you calculate how fast Peyton is zooming along?
6 m/s
3 m/s
60 m/s
30 m/s
Ricardo's ceiling fan is on high speed, spinning around at a rapid pace of 1800 rotations in just 3 minutes. Can you figure out the period of each rotation?
0.1 s
0.2 s
0.3 s
0.5 s
Sydney, Jordan, and Bailey are observing a drone named 'SkyRacer' flying in a circular path. SkyRacer maintains a constant speed of 3 m/s and the path has a radius of just 1 m. Can you help them determine the centripetal acceleration of SkyRacer?
30 m/s2
3 m/s2
9 m/s2
6 m/s2
A 10kg car travels at a constant speed of 20.0 m/s around a horizontal circular track. Which diagram correctly represent the direction of the car's velocity (v) and the direction of the centripetal force (Fc) acting on the car at a particular moment?
You're at a thrilling race track with Jackson, Alexis, and Sully, watching a test car zoom at a constant speed around a circular track. The car is 48.2 m from the track's center and experiences a centripetal acceleration of 8.05 m/s2. Can you calculate the car's tangential speed?
19.7 m/s
5.99 m/s
0.17 m/s
388.01 m/s
Diana, Dylan, and Andrew are at a science fair, observing mints spinning on a turntable. They notice that all the mints have the same tangential velocity. Is this observation correct?
True
False
Ricardo is spinning a frisbee attached to a string in a circular motion above his head. If Ricardo suddenly lets go of the string, in which direction will the frisbee move?
It will move in a straight line tangent to the circle.
It will move straight upwards.
It will move straight downwards.
It will continue moving in a circle.
Shawn, Layla, and Diana are watching mints spin on a turntable at a science fair. They notice that all the mints have the same period of rotation. Is this observation correct?
True
False
A ball in circular motion experiences the greatest centripetal force when
at the bottom of the loop
at the sides of the loop
at the top of the loop
all locations have equal centripetal force
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