Physics, 25.03.2021 18:50, juansantos7b

A system is made of 3 blocks. Connecting ropes, and a frictionless pulley. An external force is applied downward on block A. The system accelerates at the rate of 2.4 m/s^2. The tension in the rope connecting block B and block C equals 60 N. What is the magnitude of the external force?

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A system is made of 3 blocks. Connecting ropes, and a frictionless pulley. An external force is appl...