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- 1. Multiple Choice
Centripetal 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 - 2. Multiple Choice
Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration? Ac = v^2 / r
0.25 m/s2
0.5 m/s2
1 m/s2
2 m/s2
- 3. Multiple ChoiceWhat is the direction of the velocity at point B, if the ball is revolving clockwise?uprightdownleft
- 4. Multiple ChoiceThe velocity is always _____ to the line of a circle.outwardstowards the centertangentfaster
- 5. 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
- 6. Multiple Choice
Centrifugal force is a ______
force that pushes you to the outside of a circle during uniform circular motion.
fictitious force that is really just the inertia of an object in circular motion.
The force that keeps the planets in orbit
- 7. Multiple Choice
What's the centripetal acceleration of an object traveling 2.3 m/s around a circle of diameter 0.6 m?
5 m/s2
17.63 m/s2
10 m/s2
8.81 m/s2
- 8. Multiple Choice
Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2. V^2 = Ac*r
2.4 m/s
3.6 m/s
3.9 m/s
4.2 m/s
- 9. Multiple Choice
A 10 kg toy car is following a circular path with a constant speed of v=3 m/s . If the radius of the circular path is 1 m, find the centripetal force of the car. ...Ac=v^2 / r .......Fc=m(v^2)/r
30 N
3 N
9 N
90 N
- 10. Multiple ChoiceCentripetal acceleration is ...Acceleration toward the center of a curved or circular pathAcceleration toward the outside of a circleVertical motion instead of horizontal motion
- 11. Multiple Choice
Which of the following is the unit for centripetal force, centripetal acceleration, velocity and radius?
m/s, m/s2, N, m
N, m/s2, m/s, m
N, m/s, m/s2, m
m/s2, m/s, N, m
- 12. Multiple Choice
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?
- 13. Multiple ChoiceIn circular motion, the centripetal force is always directed ...Towards the centerTangent to the pathAway from the centeropposite to the velocity
- 14. Multiple ChoiceWhich represents the acceleration of the ball?ABCD
- 15. Multiple Choice
Which of the following depict the centripetal force of the bowling ball?
A
B
C
D
- Answer choicesTagsAnswer choicesTags