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- 1. Multiple Choice
Where is the net force when the rollercoaster is at the top of the loop?
Towards the sky
Towards the Right
Towards the left
Towards the center of the circle
- 2. Multiple Choice
In uniform circular motion, the magnitude of the _______________________of an object is constant but the __________ is continually changing.
speed, acceleration
speed, direction
acceleration, speed
acceleration, velocity
- 3. Multiple ChoiceThe velocity is always _____ to the line of a circle.outwardstowards the centertangentfaster
- 4. Multiple ChoiceWhich statement is true about an object that is traveling in uniform circular motion?The speed of the object varies.The net force on the object is directed toward the center of the circular path.The direction of the object's velocity is constant.The net force on the object is directed away from the center of the circular path.
- 5. Multiple ChoiceCentripetal acceleration always pointsin the direction of the object's motionin the opposite direction of the object's motiontowards the center of the circletowards the outside of the circle
- 6. Multiple ChoiceWhich of the following is the unit for centripetal force?Jm/s2kg⋅m/sN
- 7. Multiple ChoiceThe time taken for one complete circuit is called the...PeriodFrequencyAngular velocity
- 8. Multiple Choice
________________________ defined as the number of revolutions (cycles/rotations) completed in one second.
frequency
period
distance
centripetal acceleration
- 9. Multiple ChoiceWhich represents the acceleration of the ball?ABCD
- 10. Multiple ChoiceWhich of the following depict the speed of the blowing ball?ABCD
- 11. Multiple Choice
If an object is spinning around on a string and the string was suddenly cut, the object would move in a
curved path
straight line
- 12. Multiple Choice
Why does an object experiencing uniform circular motion have an acceleration?
because it ir changing speed
because it is changing direction
because it is moving n a straight line
because it has mass
- 13. Multiple Choice
The _______________________ supplies the centripetal force requirement for the car to move in a horizontal circle. Without it, the car would turn its wheels but would not move in a circle (as is the case on an icy surface).
friction force
centrifugal force
normal force
applied force
- 14. Multiple Choice
In this diagram, what do the red arrows represent?
the acceleration vector
the velocity vector
the centripetal force vector
the force of gravity
- 15. Multiple Choice
moving or tending to move toward a center...
centripetal force
centrifugal force
Tangent
Curvature
- 16. Multiple Choice
the process or act of turning or circling around something
Curvature
Rotation
Radius
Orbit
- 17. Multiple Choice
Which bucket has more inertia?
The bucket on the left because it has less mass
The bucket on the right because it has more mass
They have the same inertia
The bucket on the right because it has less mass
- 18. Multiple Choice
Which bucket would take less force?
The bucket on the left because it has less mass
The bucket on the right because it has more mass
They have the same inertia
The bucket on the left because it has more mass
- 19. Multiple ChoiceYou swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?FrictionCentripetal ForceGravityInertia
- 20. Multiple ChoiceWhat is the net force?10 N0 N25 N1 N
- 21. Multiple Choice
What type of Civilization are we?
Type 1
Type 2
Type 3
Less than type 1
- 22. Multiple Choice
What is a great filter?
An obstacle that is really hard for an civilization to get past like an extinction event.
A alien race out to destroy us.
A discovery of alien life
None of these
- 23. Multiple Choice
A civilization that can control all the energy in its solar system is a ________ civilization
Type 1
Type 2
Type 3
None of these
- Answer choicesTagsAnswer choicesTags