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- 1. Multiple Choice
What is the net force?65 N left65 N right35 N left35 N right - 2. Multiple ChoiceWhat is the net force?5.5 N left5.5 N right2.5 N left2.5 N right
- 3. Multiple ChoiceWhat is the net force?11 N left11 N right3 N left3 N right
- 4. Multiple ChoiceThe graph shows how the speed of an object changed over time. During which segments of this graph were the forces acting on the object balanced?R onlyQ and SR and TR, S and T
- 5. Multiple ChoiceThe diagram below shows a skateboarder pushing himself forward with a force of 25 N while the wind pushes back with a force of 5 N. How will the skateboarder be affected if the force of the wind increases to 8 N?The speed of the skateboarder will increase.The speed of the skateboarder will remain constant.The speed of the skateboarder will decrease.The skateboarder will come to a stop.
- 6. Multiple ChoiceWhat is the net force on the block? (click on the words to view the picture)5 Newtons up5 Newtons down15 Newtons up15 Newtons down
- 7. Multiple ChoiceWhat law is best described by inertia?1st2nd3rdlaw of conservation of mass
- 8. 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 Law
- 9. Multiple ChoiceA person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.The Law of Inertia (1st law)The Law of Acceleration (2nd law)The Law of Conservation of MomentumAction Reaction Law (3rd law)
- 10. Multiple ChoiceNewton's third law states that any action will have a(n) _______ and ______ reactionEqual and similarEqual and oppositeEqual and differentGreater and opposite
- 11. Multiple ChoiceA 20 kg bike accelerates at 10 m/s2. what was the force25 Newtons20 Newtons200 Newtons10 Newtons
- 12. Multiple ChoiceWhat happens when two forces act in the same direction?They cancel each other out.The stronger one prevails.Their strengths are added.Their sum divided by the two is the total force.
- 13. Multiple ChoiceIn each of the following cases, determine where the car has no acceleration ?A car shortly after a stoplight turns green.A car approaching a red lightA car with the cruise control set at 80 km/hA car moving down a ramp
- 14. Multiple ChoiceForce = Mass x AccelerationNewton's 1st LawNewton's 2nd LawNewton's 3rd LawNewton's 4th Law
- 15. Multiple ChoiceWhen you step on a Lego. You push on the Lego and the Lego pushes back on you.Newton's 1st LawNewton's 2nd LawNewton's 3rd Law
- 16. 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 Law
- 17. Multiple ChoiceThe graph representsNo motionConstant velocityAccelerationDeceleration
- 18. Multiple Choice
What is this graph showing?
Constant Speed
Acceleration (speeding up)
Negative Acceleration (slowing down)
No motion
- 19. Multiple Choice
What is happening at D?
Stationary
Negative Acceleration
Fast steady speed; moving away from the starting position
Slower steady speed; moving away from the starting position
- 20. Multiple ChoiceWhich is an example of zero acceleration?A merri-go-round moving at a constant rateA car coming to a stopA boat speeding upA person running on a treadmill at a rate of 6 MPH
- 21. Multiple Choice
What property of the wave is represented by the letter "A"?
amplitude
crest
trough
wavelength
- 22. Multiple ChoiceWhich wave in the diagram has the greatest frequency?1234
- 23. Multiple Choice
The highest point on a wave is:
the crest
the trough
the top
the coast
- 24. Multiple Choice
You can't hear sounds in outer space because there is no
medium
light
energy
heat
- 25. Multiple Choice
All waves carry ________ as they travel from one place to another.
matter
space
energy
water
- 26. Multiple ChoiceWhich part of the wave is shown at letter E?troughcrestresting pointamplitude
- 27. Multiple ChoiceWaves that require a medium are calledmechanical wavestransverse waveslight wavesgamma rays
- 28. Multiple Choice
When light hits the shirt in the picture, which color will bounce off?
Blue
Indigo (deep blue)
Orange
Violet (purple)
- 29. Multiple ChoiceWhen light hits a black object, like the one in the picture, what will happen to the different colors?All colors of light will bounce offAll colors of light pass through itAll colors of light will be absorbedNone of the above
- 30. Multiple ChoiceWhich of the following can sound travel through?solidliquidgasall of the above
- 31. Multiple ChoiceThe illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-absorbedstoppedreflectedrefracted - 32. Multiple ChoiceA student placed a pencil in a cup of water. The pencil appears broken because light-always travels in a straight linebends when it passes through watermakes the water in the glass evaporatereflects the pencil on the water's surface
- 33. Multiple ChoiceWhy do we see objects as white?They absorb all lightThey reflect all lightThey absorb some light and reflect some light
- 34. Multiple Choice
This is a signal where the data is represented by binary digits.
Digital
Analog
NTSC
CRT
- 35. Multiple ChoiceWhy are digital signals more reliable in transmitting information than analog signals?They are more powerfulThey carry less informationThey have less interference over long distancesThey have more interference over long distances
- 36. Multiple ChoiceThe transfer of what type of atomic particle is responsible for the static charges on objects?neutronsprotonselectronsnone of these
- 37. Multiple ChoiceWhat types of charges repel?Positive and PositivePositive and NeutralNegative and NeutralNeutral and Neutral
- 38. Multiple ChoiceThe closer the charges, the ___________ the force between themcloserfurtherstrongerweaker
- 39. Multiple Choice
Two small hollow metal spheres hung on insulating threads attract one another as shown. It is known that a positively charged rod will attract sphere A. Which statements can be correctly concluded about the charge on the spheres?
A has a positive charge
B has a negative charge
A and B have opposite charges
A is neutral
- 40. Multiple Choice
The magnitude of the electric force between two objects depends upon what factors? CHOOSE ALL THAT APPLY!
their charges
the distance between their centers
their masses
their velocities
- 41. Multiple Choice
Magnetic fields do not exist because we cannot see them.
True!
False.
Depends on the day.
Depends on the time.
- 42. Multiple Choice
The larger the charge or magnetic strength and the smaller the distance...
the greater the force
the weaker the force
it will neutralize the force
will lead you to the Dagobah system
- 43. Multiple Choice
Electric and magnetic forces requires physical contact.
True
False
Maybe
All of the answers
None of the answers
- 44. Multiple Choice
Particles with opposite charges ____________ and particles with same (or like) charges ____________.
attract, repel
repel, repel
attract, attract
repel, attract
- 45. Multiple Choice
What would happen with the magnets in the picture above?
They would repel
Nothing
They would attract
They would repel and then attract
- 46. Multiple Choiceenergy in motionkinetic energypotential energyheattransfer
- 47. Multiple ChoiceWhich of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?Chemical to lightElectrical to chemicalElectrical to lightChemical to electrical
- 48. Multiple Choice
Can energy be destroyed?
No
Yes
Sometimes
- 49. Multiple ChoiceGravity attracts all objects towards one another.FalseTrueIt depends
- 50. Multiple ChoiceAs distance between two objects increase the pull of gravityIncreasesDecreasesStays the same
- 51. Multiple ChoiceTwo factors effecting the magnitude of the force of gravity between 2 objects are...mass and distancemass and matterdistance and weightweight and mass
- 52. Multiple ChoiceWhich model has greater gravitational attraction (if any)Model AModel BBoth Model A and Model B (same gravity)
- 53. Multiple ChoiceWhich system has the greater gravitational attraction between the two objects (if any)?System ASystem BSame gravitational attraction fro System A and System B
- Answer choicesTagsAnswer choicesTags