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4-1.Newton's Laws of Motion
medium
Find Mechanical advantage for pulling mass $M$ by the person
A$2$
B$4$
C$8$
D$16$
Solution
$\mathrm{M.A.}=\frac{\mathrm{Load}}{\varepsilon \mathrm{ffort}}=\frac{\mathrm{Mg}}{\mathrm{T}}$
$\mathrm{Mg}=4 \mathrm{T}$
$\Rightarrow \mathrm{M.} \mathrm{A.}=4$
$\mathrm{Mg}=4 \mathrm{T}$
$\Rightarrow \mathrm{M.} \mathrm{A.}=4$
Standard 11
Physics
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