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15 Cards in this Set
- Front
- Back
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The unit used to measure work
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Joule
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An object that makes work easier.
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Machine
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The Decrease in effort that is needed to move an object
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Mechanical advantage
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The unit used to measure force
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Newton
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The ridges in a screw
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Threads
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A force acting on something as it moves through a distance
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Work
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The force applied to a simple machine is called the____?
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Effort force
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The force that works against the effort force is what?
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Resistance force
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The spot where the lever turns or pivots is called what?
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fulcrum
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Any bar that turns on a point is called what?
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lever
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The _____ pulley changes the direction of force but does not reduce the amount of force needed to move the object.
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fixed
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Turning a ____ puts greater force on the axle.
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wheel
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An inclined plane makes moving an object up a distance _____ than lifting it straight up.
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easier
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A wedge is two ____ _____ placed back to back.
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inclined planes
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A ____ machine combines two or more simple machines to make work easier.
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compound
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