Physics - NLM Question with Solution | TestHub

Three blocks are connected by strings and pulled by a force $\mathrm{F}=60\mathrm{N}$ as shown in figure. If ${\mathrm{m}}_{\mathrm{A}}=10\mathrm{kg}$, ${\mathrm{m}}_{\mathrm{B}}=20\mathrm{kg}$ and ${\mathrm{m}}_{\mathrm{C}}=30\mathrm{kg}$, then