Physics - NLM Question with Solution | TestHub

The force on pulley ${\mathrm{P}}_1$ by the support is $\mathrm{mg}(\cos \alpha -1)\hat{\mathrm{i}}+\mathrm{mg}\sin \alpha \hat{\mathrm{j}}$

The force on pulley ${\mathrm{P}}_1$ by the support is $\mathrm{mg}(1-\cos \alpha )\hat{\mathrm{i}}+\mathrm{mg}\sin \alpha \hat{\mathrm{j}}$

The force on the support 3 by the string is $\mathrm{mg}\hat{\mathrm{i}}$

The force on pulley ${\mathrm{P}}_2$ by the support is $\mathrm{mg}(1-\sin \alpha )\hat{\mathrm{j}}+\mathrm{mg}\cos \alpha \hat{\mathrm{i}}$