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183_notes:examples:holding_block_against_a_wall [2014/09/22 04:16] – pwirving | 183_notes:examples:holding_block_against_a_wall [2014/09/22 04:16] (current) – pwirving | ||
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FhandΔt=FNΔtMakeequaltoeachother. | FhandΔt=FNΔtMakeequaltoeachother. | ||
- | Fhand=FNCancelΔt | + | $ F_{hand} = F_N \, |
Substituting in we get: | Substituting in we get: |