Mechanical Energy
2 years ago
amirel1
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14 QuestionsShow answers
  • Question 1
    60 seconds
    Q. To make things move, you need a −
    answer choices
    force.
    strong magnet.
    metal object.
    helper.
  • Question 2
    60 seconds
    Q. A force is a −
    answer choices
    push.
    pull.
    magnet.
    push or pull.
  • Question 3
    60 seconds
    Q. Which of the following is a force that pulls?
    answer choices
    magnetism.
    gravity.
    friction.
    all of the above.
  • Question 4
    60 seconds
    Q. What is true about all forces?
    answer choices
    They are magnetic. 
    They push or pull. 
    They are very strong. 
    They only push.
  • Question 5
    60 seconds
    Q.
    answer choices
    Every time you move metal paper clips 2 cm from the magnet, 2 more metal paper clips are attracted to i it.
    The closer the magnet is to the metal paper clips, the more metal paper clips will be attracted to it.
    More metal paper clips are attracted to the magnet at 3 cm than at 1 cm.
    Magnets should be kept 1 cm from metal paper clips.
  • Question 6
    60 seconds
    Q. Pulling a wagon will most likely change all of the following EXCEPT its −
    answer choices
    motion
    position
    direction
    mass
  • Question 7
    60 seconds
    Q.
    answer choices
    light bulb
    phone
    fire house
    bowling
  • Question 8
    60 seconds
    Q. The dirt road rubs against the tires of the motorcycle and most likely causes it to ―
    answer choices
    go faster because of friction     
    change directions
    go slower because of friction     
    win a race
  • Question 9
    60 seconds
    Q. When the football player kicks the ball it will go up in the air. What will happen next?
    answer choices
    Gravity will pull it up higher.
    The football player will push it higher.
    It will fall back down to the ground because gravity pulled it.
    It will fall back down to the ground because gravity pushed it. 
  • Question 10
    60 seconds
    Q. This girl has jumped up in the air. What force will cause her to come back to the ground?
    answer choices
    Gravity
    Magnetism
    Electricity
    Sound
  • Question 11
    60 seconds
    Q. Gravity is a force that ─
    answer choices
    pulls objects down.
    pulls objects toward the center of the Earth.
    pushes objects into the air.
    has no effect on objects.
  • Question 12
    60 seconds
    Q. If you hold ten objects in the air and then drop each one ─
    answer choices
    only the ones with less mass will fall to Earth.
    only the ones with more mass will fall to Earth.
    all ten of the objects will fall to Earth.
    all ten of the objects will remain where you let them go.
  • Question 13
    60 seconds
    Q. The measure of the force of gravity acting on an object is ─
    answer choices
    weight
    length
    volume
    mass
  • Question 14
    60 seconds
    Q. Which of the following would not affect a baseball game?
    answer choices
    mechanical energy
    friction
    gravity
    magnetism
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