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- 1. Multiple ChoiceWhat is Newton's First Law known as? The Law ofFrictionMassInertiaGravity
- 2. Multiple ChoiceWhat is Newton's First LawF=maEvery action has an equal and opposite reactionAn object at rest stays at rest, an object in motion stays in motion.Friction
- 3. Multiple ChoiceA resistance to a change in motion isAccelerationInertiaGravityVelocity
- 4. Multiple Choice
Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?
the feather
the metal bolt
They would hit the ground at the same time.
They would be suspended in a vacuum.
- 5. Multiple Choice
Slowing down is called
Choose all that apply.
negative acceleration
velocity
speed
deceleration
- 6. Multiple Choice
Which of the following is a unit for acceleration?
Choose all that apply.
km/s
m/s2
mi/hr
ft
m/s/s
- 7. Multiple Choice
What is velocity?
the quickness of an object
speed in a specific direction
the location of an object
acceleration
- 8. Multiple Choice
When a car goes around a corner at 20 mph, why do we say it accelerates?
The car is accelerating because of the velocity is constant
Cars always accelerate when they are in motion
The car is accelerating because it's changing direction
The car accelerates because it's going 20 mph
- 9. Multiple Choice
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration? a = vf - vi / t
Remember: A = Change in Velocity / time
24 m/s2
16 m/s
18 m/s/s
16 m/s2
- 10. Multiple Choice
A drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the acceleration? a = vf - vi / t
0 m/s
-40 m/s2
40 m/s2
40 m/s
- 11. Multiple Choice
Acceleration can be classified as _______________.
Choose all that apply.
Speeding up
Traveling at a constant speed
Slowing Down
Changing directions
- 12. Multiple ChoiceWhich of the following never changes no matter where in the universe?weightforcemasspounds
- 13. Multiple ChoiceThe force of gravity acting on an object is the object's ______.massmatterweightfriction
- 14. Multiple Choice
Near Earth's surface, the gravitational acceleration is
9.0 m/
9.8 m/
9.2 m/
32 m/
- 15. Multiple ChoiceWhat is the SI unit used to measure force?poundsgramsnewtonskg/ m2
- 16. Multiple Choice
What is the velocity of an object that has been falling freely in a vacuum for 2 seconds? v = g x t ; g = 9.8 m/s2
9.8 m/s down
10.1 m/s down
19.6 m/s down
39.2 m/s down
- Answer choicesTagsAnswer choicesTags