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- 1. Multiple Choice
Which direction would the vector arrow for velocity be pointing
Up
Down
Left
Right
- 2. Multiple Choice
Which direction would the Centripetal acceleration vector arrow be pointing
Up
Down
Left
Right
- 3. Multiple Choice
Which direction would the Centripetal force vector arrow be pointing
Up
Down
Left
Right
- 4. Multiple Choice
If a yoyo on a string makes 12 revolutions in 4 seconds what is the period of its motion?
3 s
0.25 s
16 s
0.3 s
- 5. Multiple Choice
If a yoyo is spinning around on a 0.9 m string and 1 revolution takes 0.6 s what is the velocity of the yoyo?
9.4 m/s
4.2 m/s
4.7 m/s
2.1 m/s
- 6. Multiple Choice
What force keeps the yoyo spinning in a circle?
Friction
Tension
Gravitational
Applied
- 7. Multiple Choice
If a yoyo has a mass of 0.5 kg on a string that is 0.6 m long, and is moving at a velocity of 9.42 m/s what is the centripetal acceleration?
147.9 m/s
177.5 m/s
0.5 m/s
0.72 m/s
- 8. Multiple Choice
If a yoyo has a mass of 0.5 kg on a string that is 0.6 m long, and is moving at a velocity of 9.42 m/s what is the centripetal force?
73.9 m/s
106.5 m/s
78.8 m/s
7.85 m/s
- 9. Multiple Choice
A track runner is sprinting around a circular track with a radius of 50 m if the runner takes 22 seconds to compete a lap, what is the runners velocity?
14.3 m/s
2.7 m/s
7.13 m/s
1.38 m/s
- 10. Multiple Choice
What force is keeping the runner moving on the curve of the track?
Friction
Tension
Gravitational
Applied
- 11. Multiple Choice
If a runner with a mass of 70 kg is running 50 m on the curve of a track at a speed of 14.3 m/s, what is the runners centripetal acceleration?
4.1 m/s2
6.6 m/s2
0.3 m/s2
174.8 m/s2
- 12. Multiple Choice
If a runner with a mass of 70 kg is running 50 m on the curve of a track at a speed of 14.3 m/s, what is the runners centripetal force?
286.3 N
20.0 N
244.7 N
347.6 N
- 13. Multiple Choice
The Sun has a mass of 1.989 x 10^30 kg and Pluto has a mass of 1.309 x 10^22 kg, if the two planets are 5.906 x 10^12 m apart, what is the gravitational force?
5.0 x 10^16
1.3 x 10^22
5.5 x 10^22
4.1 x 10^23
- 14. Multiple Choice
The Sun has a mass of 1.989 x 10^30 kg and Mercury has a mass of 3.285 x 10^23 kg, if the two planets are 5.791 x 10^10 m apart, what is the gravitational force?
5.0 x 10^16
1.3 x 10^22
5.5 x 10^22
4.1 x 10^23
- 15. Multiple Choice
Identify the gravitational force for each diagram
8F
4F
2F
6F
- 16. Multiple Choice
Identify the gravitational force of the diagram
2/3 F
6F
2F
1/3 F
- 17. Multiple Choice
What is the shape of planetary orbits?
Oval
Circle
Elliptical
- 18. Multiple Choice
At which point is the object orbiting the slowest?
1
2
3
- 19. Multiple Choice
Which of Kepler's laws explains why a planet farther from the sun takes longer to orbit the sun?
1
2
3
- 20. Multiple Choice
What force keeps the planets in orbit?
Tension
Friction
Applied
Gravitational
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