Have an account?
Skip to Content
Build your own quiz
Suggestions for you
21 questions
Show Answers
See Preview
- 1. Multiple Choice
Which represents the acceleration of the ball?ABCD - 2. Multiple ChoiceA horse gallops around a circular arena. The centripetal force on the horse is ___.directed outwardtensiondirected toward the center of the arena9.8 N
- 3. Multiple ChoiceWhich of the following is the unit for centripetal force?Jm/s2kg⋅m/sN
- 4. Multiple ChoiceWhich of the following increase the centripetal force?Increasing the radiusIncreasing the velocityDecreasing the massDecreasing the acceleration
- 5. Multiple ChoiceCalculate the amount of centripetal force it takes for a softball pitcher to rotate a ball with a velocity of 3 m/s if the ball weighs .12 kg and her arm is .65 meters long..381.23.551.66 N
- 6. 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
- 7. Multiple ChoiceThis picture was taken form the International Space Station. Gravity keeps the space station in orbit.TrueFalse
- 8. Multiple ChoiceIf centripetal force stopped acting on all satellites they would continue traveling in space in a constant direction and constant speed.TrueFalse
- 9. Multiple Choice
A yo-yo is whirled on a string, then the string breaks. What causes the yo-yo to move off in a straight line?
centrifugal force
centripetal force
inertia
centripetal acceleration
- 10. Multiple ChoiceA car traveling at 15 m/s on a flat surface turns in a circle with a radius of 25 m. What is the centripetal acceleration of the car?2.4 x 10-2 m/s20.60 m/s29.0 m/s2zero
- 11. Multiple ChoiceTwo factors effecting the magnitude of the force of gravity between 2 objects are...mass and distancemass and matterdistance and weightweight and mass
- 12. Multiple ChoiceAs distance between two objects increase the pull of gravityIncreasesDecreasesStays the same
- 13. Multiple ChoiceA particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration a and velocity v of the particle at one instant of time?ABCD
- 14. 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
- 15. Multiple ChoiceTwo objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if one of the masses were doubled?91872144 - 16. Multiple ChoiceTwo objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?91872144 - 17. Multiple ChoiceWhat is gravitational force?It makes objects at rest start moving.It makes objects that are moving stop.The force of attraction between two objects.It pulls you into space.
- 18. Multiple ChoiceThe force keeping a car in circular motion as it goes around a roundaboutGravityVelocityFrictionTension
- 19. Multiple ChoiceThe force keeping a planet in orbit around the sun is...FrictionTensionGravityweight
- 20. Multiple ChoiceIf the centripetal force is removed, an object in circular motion would...Continue in circular motionMove in a straight line
- 21. Multiple Choice
A weightless feeling is caused by the absence of what force?
fricition
gravity
tension
normal
- Answer choicesTagsAnswer choicesTags