# Chapter 3/4 Test Review Game: Question Preview (ID: 27608)

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If two people are pushing on a vehicle from one end and each person is pushing with a force of 400N, what is the net force? (hint: Add) |
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a) 400N | b) 0N | c) 1N | d) 800N | |

A _________ force causes change in an object's motion. These are forces that are NOT equal. Example: Soccer player kicking a soccer ball. |
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a) motion | b) unbalanced | c) balanced | d) magnitude | |

When an objects position changes relative to another object. |
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a) Friction | b) Force | c) Motion | d) Acceleration | |

The overall force acting on an object when all the individual forces acting on it are added together. |
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a) Motion | b) Net Force | c) Power | d) Friction | |

A change in velocity due to changes in direction and speed. |
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a) Acceleration | b) Velocity | c) Speed | d) | |

A man hits a golf ball (0.2 kg) which accelerates at a rate of 20 m/s ^ 2. What amount of force acted on the ball? (hint: Force=Mass X Acceleration) |
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a) 4 m | b) 4 seconds | c) 4 m/s | d) 4 N | |

The number of times a machine increases a force exerted on it. The ratio of output force to input force. |
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a) Mechanical Advantage | b) Input force | c) Output force | d) Wheel and axle | |

A simple machine made of a grooved wheel with a rope or cable wrapped around it. |
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a) Pulley | b) Lever | c) Fulcrum | d) Wheel and Axle | |

A machine that combines two or more simple machines. |
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a) Wheel and Axle | b) Compound Machine | c) Simple Machine | d) Lever | |

Anytime you exert a force on an object that causes the object to move some distance. |
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a) Joule | b) Work | c) Force | d) Weight | |

The most basic device for making work easier. Examples are: Inclined plane |
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a) Compound Machine | b) Simple Machine | c) | d) | |

What is a push or a pull exerted on an object called? |
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a) Joule | b) Newton | c) Force | d) | |

John rides his bike 20 miles to the grocery store. It takes him 4 hours to reach his destination. What is his average speed? |
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a) 2 mph | b) 4 mph | c) 7 mph | d) 5 mph | |

Calculate the speed of a bus that travels a distance of 680 miles over a 12 hour period. |
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a) 66.7mph | b) 12.7mph | c) 56.7mph | d) 55.7mph | |

Jessie is driving to his grandma's house this weekend. If he traveled 300 miles and it took him 4.5 hours to get there, what was his average speed? (Speed=Distance/Time) |
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a) 40.7 mph | b) 66.7 mph | c) 60.7 mph | d) 66.7 m/s | |

When a spring is stretched it has ___________ energy. |
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a) Potential | b) Kinetic | c) Thermal | d) | |

The unit of measurement for force is the _________. |
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a) kilogram | b) watt | c) joule | d) newton | |

A roller coaster going down the first big hill of a roller coaster is an example of energy going from __________ to _________. |
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a) kinetic to potential | b) potential to kinetic | c) | d) | |

If two people are on opposite sides of the vehicle and each person is pushing with a force of 400N, what is the net force? (hint: subtract-The forces are balanced) |
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a) 1N | b) 400N | c) 800N | d) 0 | |

They cancel each other out, therefore they have no effect on motion. Ex: Students sitting in the desk-remember that gravity is pulling them down, but the desk is keeping them up, therefore they are not moving. |
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a) Unbalanced forces | b) Balanced forces | c) | d) | |

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