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5th

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Marissa Brys

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22 questions

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- 1. Multiple Choice2 minutes1 ptWhat law is best described by inertia?1st2nd3rd
- 2. Multiple Choice2 minutes1 ptWhat 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 Choice2 minutes1 pt
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 Choice2 minutes1 pt
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 Choice2 minutes1 pt
Objects with greater mass have a greater inertia; objects with less mass have less inertia.

true

false

- 6. Multiple Choice2 minutes1 pt
A unbalanced force means that an object is

zero net force

changing its motion

sitting still

object at rest

- 7. Multiple Choice2 minutes1 pt
Newton's 3rd Law states that for every action there is an equal and opposite ________.

reaction

satisfaction

fraction

transaction

- 8. Multiple Choice2 minutes1 pt
A ______ is a push or pull on an object.

force

speed

acceleration

velocity

- 9. Multiple Choice2 minutes1 pt
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 Choice2 minutes1 pt
Net force is a combination of all ________ acting on an object.

forces

speeds

accelerations

velocities

- 11. Multiple Choice2 minutes1 pt
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 Choice2 minutes1 pt
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 Choice2 minutes1 pt
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 Choice2 minutes1 pt
What explains a quantity that has BOTH speed and direction?

Inertia

Force

Speed

Velocity

- 15. Multiple Choice2 minutes1 pt
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 Choice2 minutes1 pt
If an object is accelerating, then the forces acting on it must be:

Balanced

Unbalanced

- 17. Multiple Choice2 minutes1 ptWhat is the unit called that measures force?IsaacYeeNewtonkilogram
- 18. Multiple Choice2 minutes1 ptWhen 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 Choice2 minutes1 ptWhy 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 Choice2 minutes1 pt
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 Choice2 minutes1 pt
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 Choice2 minutes1 pt
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
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