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As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by Part B yourself
As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by Part B yourself. There is no one around to help, so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. You pull up Consider lifting a box of mass m to a height h using two different methods: lifting the box directly or lifting the box using on the rope to lift the box pulley (as in the previous part) (Figure 1) What is Wa/ Wp, the ratio of the work done lifting the box directly to the work done lifting the box with a pulley? Use g for the magnitude of the acceleration due to gravity and neglect friction forces. Express the ratio numerically. View Available Hint(s) Figure < 1 of 1 AEd ? Wa Wp 2 Submit Previous Answers * Incorrect; Try Again; 5 attempts remaining You must apply twice the force to lift the box when you lift it directly. But work is the product of force and distance. Is there any difference in the distance over which you must apply the force in the two cases?
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