A 2.25Ã—104 N elevator is to be accelerated upward by connecting it to a counterweight using...

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Physics

A 2.25Ã—10⁴ N elevator is to be accelerated upward byconnecting it to a counterweight using a light (but strong!) cablepassing over a solid uniform disk-shaped pulley. There is noappreciable friction at the axle of the pulley, but its mass is 875kg and it is 1.50 m in diameter.
How heavy should the counterweight be so that it will acceleratethe elevator upward through 6.00 m in the first 4.00 s , startingfrom rest?
Under these conditions, what is the tension in the cable onelevator side of the pulley?
Under these conditions, what is the tension in the cable oncounterweight side of the pulley?
I posted this before but 3000 wasnt the correct answer

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3.7 Ratings (364 Votes)

The mass of the elevator is 225x104g The acceleration required is derived from the eq for distance covered as a function of a d12 a t2 d 6 m 43 6 05a4 a 075 ms2 The force See Answer

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