Physics
Physics, 17.06.2020 20:57, kirklandL

As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. There is no one around to help, so you attach an ideal pulley tothe box and a massless rope to the ceiling, which you wrap aroundthe pulley. You pull up on the rope to lift the box. Use g or themagnitude of the acceleration due to gravity and neglect frictionforces. What is the magnitude F of the upward force you must apply to the ropeto start raising the box with constant velocity?

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