Which one is NOT an example of work?
A single, fixed pulley
A slanted surface used to raise an object is called a
A device that reduces force required to move an object is called a
A bar that is free to pivot about a fixed point is a
An inclined plane with one or two sloping sides forms a
An inclined plane wrapped around a cylinder post forms a
A winding mountain road is an example of a
When two or more simple machines work together, they form a
Three simple machines listed are basically the same. Which one does NOT belong?
Unlike a fixed pulley, a movable pulley ______ the input force
The pivot point of a lever is called a
Door knobs and faucet handles are examples of a
Terry is going to use a hammer to pull a nail out of a board. Which hammer will allow him to use the least amount of force?
Which simple machines make up a wheel barrow?
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