Solution 11.4b
From Mechanics
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+ | Applying Newtons´s Second Law gives | ||
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+ | <math>\uparrow :\quad R-mg=ma</math> | ||
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+ | or | ||
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+ | <math>R=mg+ma=m(g+a)=5\times (9\textrm{.}8+0\textrm{.}2)=50\ \text{N}</math> |
Current revision
Applying Newtons´s Second Law gives
\displaystyle \uparrow :\quad R-mg=ma
or
\displaystyle R=mg+ma=m(g+a)=5\times (9\textrm{.}8+0\textrm{.}2)=50\ \text{N}