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Two-pan balance
If the length of the lever arm is four times the load it has to bear, then the force to equalize the lever arm is one quarter of that load.
Physics
Grade 9
35 kB
mozaLink
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If the length of the lever arm is four times the load it has to bear, then the force to equalize the lever arm is one quarter of that load.
Physics
Grade 9
35 kB
mozaLink
/Weblink