Solution 2.3b
From Mechanics
(Difference between revisions)
(New page: The lift force <math>F</math> must balance the weight <math>W</math>, that is <math>F-W=0</math> But <math>W=mg=800\times 9.8=7840\ \text{N}</math> Which gives <math>F=W=840\ \text{N...) |
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| Line 6: | Line 6: | ||
<math>F-W=0</math> | <math>F-W=0</math> | ||
| - | But <math>W=mg=800\times 9.8=7840\ \text{N}</math> | + | But <math>W=mg=800\times 9\textrm{.}8=7840\ \text{N}</math> |
Which gives | Which gives | ||
<math>F=W=840\ \text{N}</math> | <math>F=W=840\ \text{N}</math> | ||
Revision as of 15:38, 3 February 2011
The lift force \displaystyle F must balance the weight \displaystyle W, that is
\displaystyle F-W=0
But \displaystyle W=mg=800\times 9\textrm{.}8=7840\ \text{N}
Which gives \displaystyle F=W=840\ \text{N}
