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Chapter 9B

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Across
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Force is measured in _________.
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A bar that turns on a point
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The force that works against the effort.
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An inclined plane wound around a cylinder or cone.
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A Grooved wheel with a chain or rope wrapped in the groove
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A type of pulley that does not change the direction of the force, but does have a mechanical advantage.
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A type of pulley that changes the direction of the force, but does not reduce the amount of force needed to move the object.
Down
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The decrease in effort that is needed to move an object is called ________ advantage.
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A force acting on something as it moves a certain distance is _____.
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A machine used to split or lift objects.
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The spot where a lever turns or pivots is called the _______.
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Work is measured in _________.
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A wheel barrow is an example of what class of levers?
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A see-saw is an example of this class of levers.