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Chapter 9B

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