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sol 3.2
simple machines
Question | Answer |
---|---|
simple machines | tools that make work easier |
How many simple machines are there? | 6 |
lever | a stiff bar that moves about on a fixed point(fulcrum) |
How is a lever used? | to push,pull, or lift things |
example of a lever | seesaw, crowbar,or shovel |
inclined plane | a flat surface that is raised so one end is higher than the other |
How is an inclined plane used? | it moves heavy obects up and down |
example of inclined plane | ramp, back of a dump truck |