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Chapter 5 vocabular1
| Question | Answer |
|---|---|
| a machine that does work with only one movement of the machine | simple machine |
| a bar that is free to pivot or turn around a fixed point | lever |
| a grooved wheel with a rope, chain, or cable running along the groove | pulley |
| is a simple machine consisting of a shaft or axle attached to the center of a larger wheel | wheel and axle |
| a sloping surface, such as a ramp that reduces the amount of force required to work | inclined plane |
| an inclined plane wrapped in a spiral around a cylindrical post | screw |
| a inclined plane with one or two sloping sides | wedge |
| two or more simple machines that operate together | compound machine |