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- 1. Multiple ChoiceWhat law is best described by inertia?1st2nd3rd
- 2. Multiple ChoiceWhat is Newtons 1st law of motion?Force= Mass multiplied by accelerationAn object at rest stays at rest unless acted on an unbalanced force. (inertia)For every action there is a equal and opposite re-action.law of gravity
- 3. Multiple Choice
What law of motion does this picture represent?
Newton's 3rd law
Newton's 4th law
Newton's 1st law
Newton's 2nd law
- 4. Multiple Choice
What is Newton's 2nd law of motion?
Inertia
Force= Mass multiplied by acceleration
For every action there is a equal and opposite re-action.
Law of gravity
- 5. Multiple Choice
Objects with greater mass have a greater inertia; objects with less mass have less inertia.
true
false
- 6. Multiple Choice
A unbalanced force means that an object is
zero net force
changing its motion
sitting still
object at rest
- 7. Multiple Choice
Newton's 3rd Law states that for every action there is an equal and opposite ________.
reaction
satisfaction
fraction
transaction
- 8. Multiple Choice
A ______ is a push or pull on an object.
force
speed
acceleration
velocity
- 9. Multiple Choice
Newton's 2nd Law says the acceleration of an object depends on its _______ and ______. (Choose two answers)
force or applied force
weight
gravity
mass
- 10. Multiple Choice
Net force is a combination of all ________ acting on an object.
forces
speeds
accelerations
velocities
- 11. Multiple Choice
if an object stays still or continues moving at the same speed and in the same direction, it is a _______ force.
weak
strong
balanced
unbalanced
- 12. Multiple Choice
What is Newton's 2nd 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.
- 13. 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.
- 14. Multiple Choice
What explains a quantity that has BOTH speed and direction?
Inertia
Force
Speed
Velocity
- 15. Multiple Choice
The reason a boat bounces off the dock when it hits it.
The boat and the dock repel each other.
When the boat exerts a force on the dock, the dock exerts a force on the boat.
- 16. Multiple Choice
If an object is accelerating, then the forces acting on it must be:
Balanced
Unbalanced
- 17. Multiple ChoiceWhat is the unit called that measures force?IsaacYeeNewtonkilogram
- 18. 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
- 19. Multiple ChoiceWhy is the net force 0 in the image?Because the elephants are the same sizeBecause they are both pulling the same amount of force in opposite directionsBecause they are elephantsBecause they are pulling away from each other.
- 20. Multiple Choice
A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?
Law 1
Law 2
Law 3
- 21. Multiple Choice
A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?
Law 1
Law 2
Law 3
- 22. Multiple Choice
When a truck stops suddenly, the packages on its truckbed continue to move forward. Which law is this?
Law 1
Law 2
Law 3
- Answer choicesTagsAnswer choicesTags