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- 1. Multiple Choice
Two skaters begin at rest. Skater 1 has a smaller mass than Skater 2. After they push off each other,...Skater 1 experiences a greater change in momentumSkater 2 experiences a greater change in momentumSkater 1 has a greater velocity than Skater 2Skater 1 experiences a greater force - 2. Multiple ChoiceWhich has more momentum: a car stopped at a red light or a bike moving at 15 mph?carbikethey are equalcannot determine using the info provided
- 3. Multiple ChoiceIn any collision (crash) the ______ is ALWAYS constantTotal Momentumtotal speedtotal VelocityEnergy
- 4. Multiple Choice
The Law of Conservation of Momentum states:
The total momentum before a collision is equal to the total momentum after a collision.
The total momentum before a collision is greater than the total momentum after a collision.
The total momentum before a collision is less than the total momentum after a collision.
The total momentum before a collision is not related to the total momentum after a collision.
- 5. Multiple Choice
According to Newton's Laws, for every action there is an ....
equal and opposite reaction.
equal and parallel reaction.
unequal and opposite reaction.
unequal and unrelated reaction.
- 6. Multiple ChoiceIf net force acting on object is 0, then the force is considered to be..BalancedUnbalancedEqual in DirectionDistance/Time
- 7. Multiple ChoiceWhat is Newton's First Law known as? The Law ofFrictionMassInertiaGravity
- 8. Multiple ChoiceThe definition of momentum isMass in MotionThe size of an objectThe velocity of an objectA comparison between two objects
- 9. Multiple ChoiceWhich type of force(s) will cause a change in an object's motion?gravityzero net forcebalanced forcesunbalanced forces
- 10. 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
- 11. Multiple ChoiceA person is pushed forward into their seat belt when a car stops. Which law is this?1st2nd2 and 33rd
- 12. Multiple ChoiceWhen a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?The cannon moving forwardThe cannonball moving forwardThe cannon moving backwardThe cannonball moving backward
- 13. Multiple Choice
Pretend that you are in a car and not wearing a seatbelt. What might happen to you if the driver slammed on the brakes?
You would move sideways
You would move towards the front windshield
You would stay in your seat
- 14. Multiple ChoiceIf a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?10 m/s^2.1 m/s^2100 m/s^21 m/s^2
- 15. Multiple ChoiceIf net force acting on object is 0, then the force is considered to be..BalancedUnbalancedEqual in DirectionDistance/Time
- 16. Multiple Choice
What is Newton's 3rd Law?
For every action there is an equal and opposite reaction.
Acceleration depends on two variables, the mass of the object and the amount of force.
- 17. Multiple Choice
What explains a quantity that has BOTH speed and direction?
Inertia
Force
Speed
Velocity
- 18. Multiple Choice
Looking at the image. Decide if this is balanced or unbalanced.
Unbalanced
Balanced
- 19. Multiple Choice
Friction at rest is...
sliding
rolling
fluid
static
- 20. Multiple Choice
The amount of matter in an object is...
gravity
weight
mass
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