JEE MAIN - Physics (2024 - 1st February Morning Shift - No. 1)
Consider a block and trolley system as shown in figure. If the coefficient of kinetic friction between the trolley and the surface is 0.04 , the acceleration of the system in $\mathrm{ms}^{-2}$ is :
(Consider that the string is massless and unstretchable and the pulley is also massless and frictionless) :
_1st_February_Morning_Shift_en_1_1.png)
(Consider that the string is massless and unstretchable and the pulley is also massless and frictionless) :
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2
Explanation
$\begin{aligned} & 60-f_k=(20+6) a \\\\ & 60-200 \times 0.04=26 a \Rightarrow a=2 \mathrm{~m} / \mathrm{s}^2\end{aligned}$
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