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- 1. Multiple ChoiceWhat is Newton's First Law of Motion?F=m x aEvery action has an equal and opposite reactionAn object at rest stays at rest, an object in motion stays in motion unless acted on by another force.Friction
- 2. Multiple ChoiceWhat is Newton's First Law known as? The Law ofFrictionMassInertiaGravity
- 3. Multiple Choice
Why does an 18-wheeler have more inertia than a bicycle?it has more massit has more volumeit is not as aerodynamic - 4. Multiple ChoiceNewton's second law of motion describes acceleration as force divided by __________.massinertiaspeeddirection
- 5. Multiple ChoiceThe force that pulls an object in a circular motion and keeps it in a circular motion is centripetal force.TrueFalse
- 6. Multiple ChoiceAccording to __________, the acceleration of an object is equal to the net force acting on the object divided by the object's mass.Newton's Second LawNewton's Third LawNewton's First Law
- 7. Multiple ChoiceAn object's velocity can be changed by changing its speed, its direction, or both.TrueFalse
- 8. Multiple Choice
Newton’s law states that for every action, there is an ________ reaction.
unequal and opposite
equal and similar
stronger and opposite
equal and opposite
- 9. Multiple Choice
When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?
The cannon moving forward
The cannon moving backwards
The cannonball moving backwards
The cannonball moving forward
- 10. Multiple ChoiceA magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.Newton's 1st LawNewton's 2nd LawNewton's 3rd LawNone of them
- 11. Multiple ChoiceA person’s body is thrown outward as a car rounds a curve on a highway.Newton's 1st LawNewton's 2nd LawNewton's 3rd LawNone of them
- 12. Multiple ChoicePushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.Newton's 1st LawNewton's 2nd LawNewton's 3rd LawNone of them
- 13. Multiple ChoiceThe gravitational attraction between two objects is reduced most when--The masses are decreased, and the distance between them is increasedThe masses are increased and the distance between them is decreasedThe masses are decreased and the distance between them is decreased
- 14. Multiple ChoiceWhich of the following would have the greatest gravitational attraction between the two massesPicture APicture BPicture C
- 15. Multiple ChoiceFriction is a force that acts in an ___________ direction of movement.similaroppositeparallelwest
- 16. Multiple ChoiceThe amount of friction depends on the weight of the objects pressing together.TrueFalse
- 17. Multiple ChoiceHow would the absence of friction affect a marble traveling on a long, straight path?The marble’s speed would decrease.The marble’s speed would increase.The marble would stop immediately.The marble would remain at constant speed.
- 18. Multiple ChoiceRougher surfaces have ...greater frictionless frictionthe same level of friction
- 19. Multiple ChoiceIf these boys are pulling with the same amount of force. What will happen?The boy in blue will win.They will not move at all.The boy in red will win.Both will fall down.
- 20. Multiple ChoiceWhy is person B having a hard time moving down the hill?Person B has more friction than person A.Person B has the same friction as person A.Person B is out of shape.Person B has less friction has person A.
- 21. Multiple ChoiceThis is an example of what kind of force?Balanced ForcePushing ForceGravity ForceUnbalanced Force
- 22. Multiple ChoiceWhat is motion?It's like the oceanAny change in an animal or person's position.Motion is like actingAny change in an object or person's position.
- 23. Multiple ChoiceWhat pulls a ball back to earth?GasGravityFrictionMolecules
- 24. Multiple ChoiceHow is gravity affected by mass?the larger the mass of the object, the greater the gravitysmall objects have no gravitygravity is not affected by mass of objects, whether large or small
- 25. Multiple ChoiceA greater applied force is required to move an object with a greater mass than one with a smaller mass.TrueFalse
- 26. Multiple Choice
Would a spring scale measure more force pulling an object across carpet, wood, or sandpaper?
Carpet
Wood
Sandpaper
- 27. Multiple ChoiceCalculate the net force of the object in the image shown.20N35N5N25N
- 28. Multiple ChoiceWhich direction will the object move?UpDownRightLeft
- 29. Multiple ChoiceStudents are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?The ribbon will move to the left and group A will win the tug-of-war.The ribbon will move to the left and group B will win the tug-of-war.The ribbon will move to the right and group B will win the tug-of-war.The ribbon will move to the right and group A will win the tug-of-war.
- 30. Multiple ChoiceA cyclist traveling at 25 km/hr turns sharply to the left while continuing to move 25 km/hr. This means the forces involved are_____________________.Balanced, because the cyclist's speed did not change.Balanced, because he was still moving forward.Unbalanced, because it's the same bicycle.Unbalanced, because his direction changed.
- 31. Multiple ChoiceThe forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to move to the right?Object WObject XObject YObject Z
- 32. Multiple ChoiceThe forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to remain in place?Object WObject XObject YObject Z
- 33. Multiple ChoiceIf a force does not cause an object to move, it's considered a(n) __________________ force.BalancedUnbalancedWimpyWeak
- 34. Multiple ChoiceThe energy of motion.Potential EnergyKinetic Energy
- 35. Multiple ChoiceWhat is energy?the ability to cause changethe ability to resist changethe ability to lack changethe ability to
- 36. Multiple Choice"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?Law of Conservation of MassNewton's Second LawLaw of Conservation of EnergyNewton's Third Law - 37. Multiple ChoiceCan energy be created or destroyed?YesNo
- 38. Multiple Choice
total distance traveled divided by total time taken to travel that distance
velocity
motion
acceleration
average speed
- 39. Multiple Choice
the rate at which speed or velocity changes
acceleration
average speed
motion
reference point
- 40. Multiple Choice
speed of an object in a particular direction
motion
velocity
speed
acceleration
- 41. Multiple ChoiceDescribe the speed of the rocket in the speed vs. time graph.Constant speedDecreasing speedIncreasing speedNot moving
- 42. Multiple ChoiceDescribe the speed of the object from 4-6 seconds using the distance vs. time graph.Increasing speedDecreasing speedNot movingConstant speed
- 43. Multiple ChoiceDescribe the speed of the object from
0-2 seconds using the distance vs. time graph.ConstantSpeeding upSlowing downNot moving - 44. Multiple ChoiceDescribe the speed of the object from
2-5 seconds using the speed vs. time graph.Increasing speedNot movingDecreasing speedConstant speed - 45. Multiple ChoiceThe picture of the position vs. time graph shows an object that is...accelerating/speeding upmoving at a constant speednot movingaccelerating/slowing down.
- 46. Multiple ChoiceAcceleration is defined as the CHANGE intime it takes for one place to move to another place.velocity of an object.distance divided by the time intervalvelocity divided by the time interval
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