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- 1. Multiple Choice
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
first
second
third
fourth
- 2. Multiple ChoiceWhich has more Inertia?TruckAntCatSkateboard
- 3. Multiple ChoiceYou push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.20N40N10N70N
- 4. Multiple ChoiceA 20 kg bike accelerates at 10 m/s2. what was the force25200 N20 N10 N
- 5. Multiple ChoiceFriction is a force that acts in an ___________ direction of movement.similaroppositeparallelwest
- 6. Multiple ChoiceWhat can a force do?all of the answers are correctstart a motionstop a motionchange the direction of the motion
- 7. Multiple ChoiceWhat are 2 factors that determine the amount of friction between 2 objects?Force and roughness between surfaceshills and valleys and how smooth or rough the surface isAmount of force and amount of surface the comes in contactThe force and the weight exerted on the surfaces
- 8. Multiple ChoiceWhat is the name for a push or pull?A movementA forceSpeedDensity
- 9. Multiple ChoiceWhich type of force(s) will cause a change in an object's motion?gravityzero net forcebalanced forcesunbalanced forces
- 10. Multiple ChoiceYou and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?60 N right10 N left60 n right50 N left
- 11. Multiple ChoiceWith unbalanced forces, the object will move in the direction of the _______ force.largersmallerequal
- 12. Multiple Choice
__________ is the sum of all forces acting on an object. It is capable of accelerating a mass.velocitygravitynet forcedistance - 13. Multiple ChoiceEnergy due to motion is ____________ energy.PotentialEnergyKineticFriction
- 14. Multiple ChoiceThe faster an object moves, the ________ kinetic energy it has.morelessnone of the aboveall of the above
- 15. Multiple Choice__________ is stored energy.PotentialKineticNone of the aboveAll of the above
- 16. Multiple ChoiceCan energy be destroyednoyes
- 17. Multiple ChoiceWhat kind of energy is in a rock at the edge of a cliff?PotentialKinetic
- 18. Multiple ChoiceWhich is the best example of kinetic energy?a. a car parked on a steep hillb. a tennis ball rolling across the courtc. a picture hanging on the walld. a piece of coal before it's burned
- 19. Multiple ChoiceAn apple hanging from the branch of a tree falls down. How does its energy change as it falls?The kinetic energy of the apple changes to potential energy.The potential energy of the apple changes to kinetic energy.The kinetic energy of the apple remains constant.The potential energy of the apple remains constant.
- 20. Multiple ChoiceWhich of these best represents potential energy?a marble rolling on flat groundwater flowing through a pipea spring pressed between two blockswind moving the blades of a windmill
- 21. Multiple ChoiceWhich of the following has the greatest potential energy?ABCD
- 22. Multiple ChoiceWhich of these has kinetic energy?Book on the tableRock on top of a hillStationary carMoving train
- 23. Multiple ChoiceAt which point will the skater have the least potential energy?Point APoint BPoint CPoint A and C
- 24. Multiple ChoiceEnergy of motion is which type of energy?PotentialKineticSoundGravitational
- 25. Multiple ChoiceWhat type of energy is in this picture?KineticPotentialChemicalSound
- 26. Multiple ChoiceWhen plants convert the sun's energy into food, which type of energy is it?kineticchemicalthermalradiant
- 27. Multiple ChoiceWhat kind of energy is represented in this picture?ThermalPotentialNuclearMechanical
- 28. Multiple ChoiceWhat kind of energy does this device use?ChemicalElectricalThermalChemical
- 29. Multiple ChoiceWind turbines and windmills convert what energy to another?Kinetic to electricGravitational potential to electricMechanical to potentialThermal to sound
- 30. Multiple ChoiceOn a roller coaster, where is maximum potential energy?At the bottom of a big hillWhen going around a cornerWhen going upside downAt the top of a big hill
- 31. Multiple ChoiceOn a roller coaster, where is maximum kinetic energy?At the bottom of a big hillWhen going around a cornerWhen going upside downAt the top of a big hill
- 32. Multiple ChoiceAccording to which law of energy, energy can't be created or destroyed?First law of motionThe law of tacosLaws of Energylaw of conservation of energy
- 33. Multiple ChoiceLooking at the image of the road, which selection organizes the points of potential energy from the LEAST to GREATEST?B, A, E, FA, B, C, DD, F, E, CD, E, F, B
- 34. Multiple ChoiceWhen mass increases then gravityDecreasesIncreasesStays the same
- 35. Multiple ChoiceWhat type of force?MagneticGravitationalAppliedNormal
- 36. Multiple ChoiceWhat does the strength of gravity between two objects depend upon?Mass & distanceMass & weightGravity & inertiaInertia & mass
- 37. Multiple ChoiceWhat force brings the pencil down?AppliedMagneticNormalGravitational
- 38. Multiple ChoiceWhat force ultimately slows the roller coaster to a stop?AppliedNormalFrictionMagnetic
- 39. Multiple ChoiceSimon wanted to know if the height of a ramp affected how fast the car went down it. What part of this experiment is Simon's INDEPENDENT (Test) Variable?height of the rampthe type of carthe speed of the carthere isn't one
- 40. Multiple ChoiceSimon wanted to know if the height of a ramp affected how fast the car went down it. What part of this experiment is Simon's Dependent (Outcome) Variable?there isn't onethe height of the rampthe type of carthe speed of the car
- 41. Multiple ChoiceAfter Simon conducted his experiment he analyzed his data and saw some speeds that were surprising. Why would it be a good idea for Simon to ask his friends to replicate (redo) his experiment?They can test many more different variables that he didthey can compare their results to Simon's to see if he was accurateSo they can get better resultsThey wouldn't do that, scientists do repeat other scientists experiments.
- 42. Multiple ChoiceSpeed isthe distance covered per unit of timethe time it takes something to move a certain distancedistance x timetime x distance
- 43. Multiple ChoiceWhat two quantities must I know to calculate something's speed?time and weightposition and distancedistance and timedistance and speed
- 44. Multiple ChoiceThis type of force resist motion between two surfaces that are pressed togethercontactgravityfriction
- 45. Multiple Choice
If the net force is equal to zero, the forces acting on the object are
balanced
unbalanced
- 46. Multiple ChoiceThe unit of force ism/sm/s^2newtonkg
- Answer choicesTagsAnswer choicesTags