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- 1. Multiple Choice45 m/s2 is the...MassForceAccelerationweight
- 2. Multiple ChoiceWhat Unit do we Measure Force in?NewtonsJoulesForceDon't know
- 3. Multiple ChoiceWhich of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?firstsecondthirdfourth
- 4. Multiple ChoiceWith unbalanced forces, the object will move in the direction that the _______ force is being applied.largersmallerequal
- 5. 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
- 6. Multiple ChoiceWhich has more Inertia? (so need more force to move)TruckAntA catA skateboard
- 7. Multiple ChoiceA 20 kg bike accelerates at 10 m/s2. what was the force25200 N20 N10 N
- 8. Multiple ChoiceUnit of massm/s 2m/snewtonskg
- 9. Multiple ChoiceA person is pushed forward into their seatbelt when a car stops1st2nd2 and 33rd
- 10. Multiple ChoiceWhat is Newton's First Law known as? The Law ofFrictionMassInertiaGravity
- 11. 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
- 12. Multiple Choice
When you kick a ball across a feild and it hits someone in the face and they fly backwardsAction=ReactionSpeedMotionAir - 13. Multiple ChoiceWhat is the name for a push or pull?A movementA forceSpeedDensity
- 14. Multiple ChoiceA balanced force hasno net forcesome net forcea wee bit of net forcea lot of net force
- 15. Multiple ChoiceWhat will the effect of the man in the picture is the car stops suddenly?he will not moveHe will move forward and get stopped by the seatbeltHe will move backward into the seat
- 16. Multiple ChoiceWhat law describes what happens if you are riding a skateboard and hit something (like a rock) with the front wheels.Newtons 3rd lawNewtons 1st lawLaw of gravityLaw of movement
- 17. Multiple ChoiceWhat law of motion does this picture represent?Newtons 1st lawNewtons 4th lawNewtons 3rd lawNewtons 2nd law
- 18. Multiple ChoiceWhat law of motion does this picture represent?Newtons 1st lawlaw of gravityNewtons 4th lawNewtons 2nd law
- 19. Multiple ChoiceWhat is Newtons 2nd law of motion?PancakesForce= Mass multiplied by accelerationFor every action there is a equal and opposite re-action.Law of gravity
- 20. 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
- 21. Multiple ChoiceHow does friction affect speed?more friction decreases speedmore friction increases speedless friction decreases speedless friction doesn't affect speed
- 22. Multiple ChoiceA type of friction that occurs when air pushes against a moving object causing it to decelerate.surface areaair resistancevelocitygravity
- 23. Multiple ChoiceWhich of the following is an example of friction that is helpful?Brakes used on a bikeTires from a car on the roadTread on the bottom of your shoesAll are examples that are helpful
- 24. Multiple ChoiceWhich would NOT be a way of reducing friction?making the surfaces smootherusing lubricants such as waxes, oils, or greasechanging from sliding friction to rolling friction using ball bearingsUsing kitty litter on snow and ice to help your car gain traction
- 25. Multiple ChoiceWhat does friction produce?lightsoundheatgravity
- 26. Multiple ChoiceTwo factors effecting the magnitude of the force of gravity between 2 objects are...mass and distancemass and matterdistance and weightweight and mass
- 27. Multiple ChoiceWhich of the following never changes no matter where in the universe?weightforcemasspounds
- 28. Multiple ChoiceGravity is the force objects put on each other because of their ______.MassFriendlinessAccelerationSpeed
- 29. Multiple ChoiceWhy does a object fall when tossed in the air?The object fall because of gravityThe object will stay in the airThe object will disappearThe object will get bigger
- 30. Multiple ChoiceRoger is designing a new model rocket. He wants it to have as little air resistance as possible. What should he do?decrease the surface area of the frontlower its temperatureincrease its speedmake its surface rougher
- 31. Multiple ChoiceGravity attracts all objects towards one another.FalseTrueIt dependsI don't care
- 32. Multiple ChoiceWhat is force?A force is a push or a pull upon an object resulting from the object's interaction with another object.something used in Star WarsIt is the amount of space between two points.It is Superman's power
- 33. Multiple ChoiceWhat is the value of g on Earth?9.81 m/s^29.81 N9.81 m9.81 s/m^2
- 34. Multiple ChoiceThe force that opposes the motion of two surfaces sliding past each other is called ___________.accelerationinertiafrictionunbalanced
- 35. Multiple ChoiceThe amount of friction depends on the weight of the objects pressing together.TrueFalse
- 36. Multiple ChoiceWhat will most likely cause an object to stop moving?a gravitational forcethe mass of the objecta frictional forcethe size of the object
- 37. Multiple ChoiceTwo identical sheets of paper are used in an experiment; one is crumpled into a ball and the other is flat. What will most likely happen when they are dropped at the same time from the same height?flat sheet will fall on its edgeboth will fall at the same ratecrumpled sheet will fall fastercrumpled sheet will move horizontally
- 38. Multiple ChoiceAre forces balanced or unbalanced when a marble rolls down a ramp?BalancedUnbalanced
- 39. Multiple ChoiceAre the forces acting on the rope balanced or unbalanced?BalancedUnbalanced
- 40. Multiple ChoiceAre the forces acting on the rope balanced or unbalanced?BalancedUnbalanced
- 41. Multiple ChoiceBalanced or Unbalanced?BalancedUnbalanced
- 42. Multiple ChoiceThe tendency of an object at rest to stay at rest unless it is acted upon by a force is called ___________________inertiamotiongravitylubricant
- 43. Multiple Choice___________ is the amount of matter in an object.massweightvolumeforce
- 44. Multiple ChoiceWhich force is so low that it causes the man to slip and fall?GravityFrictionAir ResistanceMotion
- 45. Multiple ChoiceHow will this object move?It won't move.It will move to the right.It will move to the left.It will move up.
- 46. Multiple ChoiceWhat is the amount of force required to accelerate a 30kg object to 10m/s2?300N30N300 m/s3N
- 47. Multiple ChoiceA car is traveling at 23.6 m/s skids to a stop in 3.55 s. Determine the acceleration of the car.8.78 m/s222.4 m/s2-8.78 m/s2-22.4 m/s2
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