Have an account?
Skip to Content
Build your own quiz
.png)
15 questions
Show Answers
See Preview
- 1. Multiple Choice
When the only force on an object is gravity:
free fall
acceleration
gravity
range
- 2. Multiple Choice
An object in free fall is also called
gravity
projectile motion
projectile
tide
- 3. Multiple Choice
Objects will accelerate towards Earth at a rate of
1.6 m/s2
9.8 m/s2
9.8 N
1.6 N
- 4. Multiple Choice
What is the direction of the acceleration for any projectile?
The direction the projectile is traveling.
Down
Up
Sideways
- 5. Multiple Choice
If a projectile is launched with an initial vertical velocity (Voy) of 60 m/s, how long will it take to reach its highest point?
5 seconds
6 seconds
7 seconds
7.5 seconds
- 6. Multiple Choice
A plane flying horizontally at 120 m/s drops a crate. When the crate strikes the ground 15 seconds later, what is the magnitude of the horizontal component of its velocity?
147 m/s
120 m/s
1800 m/s
8 m/s
- 7. Multiple Choice
At which of the following places does a projectile have the least velocity?
At the peak of its trajectory
Half way to the peak
At the instant it is launched
All points have the same velocity
- 8. Multiple Choice
At which of the following places does a projectile have the greatest acceleration?
At the peak of its trajectory
Half way to the peak
At the instant it is launched
All points have the same acceleration
- 9. Multiple Choice
The acceleration during the whole trip, on the horizontal component, is always...
0 m/s2
3.6 m/s2
5 m/s2
-9.8 m/s2
- 10. Multiple Choice
The final velocity on the highest point is...
2.1 m/s
positive
0 m/s
negative
- 11. Multiple Choice
If the time to get to the highest point is 2.6 s, what would be the total time in the air?
2.6 s
3.8 s
5.2 s
4.9 s
- 12. Multiple ChoiceWhich statement describes a vector?It has magnitude but no directionIt has direction but no magnitudeIt has both direction and magnitudeIt has constant magnitude but no
direction - 13. Multiple ChoiceIn the absence of air friction, the vertical component of a projectile's velocity doesn't change as the projectile moves.TrueFalseSometimes trueSometimes false
- 14. Multiple ChoiceIn the absence of air friction, the horizontal component of a projectile's velocity doesn't change as the projectile moves.TrueFalseSometimes trueSometimes false
- 15. Multiple ChoiceWhich of the following would NOT be considered a projectile?a cannonball thrown straight upa cannon ball rolling down a slopea cannonball rolling off a tablea cannonball thrown in the air
- Answer choicesTagsAnswer choicesTags