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15 Cards in this Set
- Front
- Back
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Using a force to move an objects through a distance is called ____________________.
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work
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The balance point of a lever is the ____________________.
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fulcrum
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A machine that allows you to lift things by pulling down on a rope is a ____________________.
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pulley
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The combination of all the forces acting on an object is the ____________________.
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net force
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Forces acting on an object that are equal and opposite are ____________________.
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balanced forces
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A force that works against motion is ____________________.
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friction
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A bar that moves against a fulcrum is a ____________________.
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lever
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A ramp is an example of a simple machine called an ____________________.
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inclined plane
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The force that Earth applies to objects near its surface is ____________________.
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gravity
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A machine that makes work easier is a ____________________.
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simple machine
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A can opener is made up of several simple machines. One is a wedge. That is another one?
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wheel-and-axle
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Which force causes a shipe to float in water?
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buoyant force
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Which simple machine is part of a screw?
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inclines plane
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Which force makes a compass work?
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magnetic force
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Which machine can be used to lift a piano into a second-story window?
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block-and-tackle
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