JEE MAIN - Physics (2024 - 30th January Morning Shift - No. 16)
All surfaces shown in figure are assumed to be frictionless and the pulleys and the string are light. The acceleration of the block of mass $$2 \mathrm{~kg}$$ is :
_30th_January_Morning_Shift_en_16_1.png)
$$\mathrm{\frac{g}{2}}$$
$$\mathrm{\frac{g}{4}}$$
$$\mathrm{g}$$
$$\mathrm{\frac{g}{3}}$$
คำอธิบาย
_30th_January_Morning_Shift_en_16_2.png)
$$\begin{aligned} & 40-2 \mathrm{~T}=4 \mathrm{a} \\\\ & \mathrm{T}-10=4 \mathrm{a} \Rightarrow 20=12 \mathrm{a} \\\\ & \Rightarrow \mathrm{a}=5 / 3 \Rightarrow 2 \mathrm{a}=\frac{g}{3} \end{aligned}$$