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15-05-2018
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it’s 4th grade math. can u help me on 7,8,9 only thanks. it’s easy

its 4th grade math can u help me on 789 only thanks its easy class=

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15-05-2018

1. B. lever
2. F. fulcrum
3. D. load
4. A. effort
5. E. wheel and axle
6. C. pulley
7. One example of a level is a wheelbarrow.
8. A screwdriver is an example of a wheel and axle.
9. Levers are classified by the fulcrum, effort, and load.

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