As shown in figure tension in horizontal cord is 30 ,N . weight W and tension in string OA in

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4-1.Newton's Laws of Motion

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As shown in figure the tension in the horizontal cord is $30 \,N$. The weight $W$ and tension in the string $OA$ in Newton are

A$30 \sqrt 3 ,30$

B$30 \sqrt 3 ,60$

C$60 \sqrt 3 ,30$

DNone of these

Solution

(b) From the figure $T\,\sin {30^°} = 30$ …$(i)$
$T\cos {30^°} = W$…$(ii)$
By solving equation $(i)$ and $(ii)$ we get
$W = 30\sqrt 3\, N$ and $T = 60\,N$

Standard 11

Physics

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As shown in figure the tension in the horizontal cord is $30 \,N$. The weight $W$ and tension in the string $OA$ in Newton are

Solution

Similar Questions

As shown in figure, a $70\,kg$ garden roller is pushed with a force of $\overrightarrow{ F }=200\,N$ at an angle of $30^{\circ}$ with horizontal. The normal reaction on the roller is $…….\,N$ $\left(\right.$ Given $\left.g =10\,m s ^{-2}\right)$

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