You are planning on hanging the famous Wookie Lisa in a turbo lift. The cables y
ID: 2037782 • Letter: Y
Question
You are planning on hanging the famous Wookie Lisa in a turbo lift. The cables you have available can each support 150 N of tension. The painting's mass is 40 kg. In the event of an emergency, the turbolift is designed to brake at a rate of 3gg, where ggcorresponds to Earth gravity. In order to avoid damage to the painting, you want to use enough cables so that no one cable exerts a force greater than 120 N on the painting. On the other hand, Chancellor Palpatine himself, citing the clone army budget, has demanded that you use the minimum number of cables. How many cables do you use?
You are planning on hanging the famous Wookie Lisa in a turbo lift. The cables you have available can each support 150 N of tension. The painting's mass is 40 kg. In the event of an emergency, the turbolift is designed to brake at a rate of 3gg, where ggcorresponds to Earth gravity. In order to avoid damage to the painting, you want to use enough cables so that no one cable exerts a force greater than 120 N on the painting. On the other hand, Chancellor Palpatine himself, citing the clone army budget, has demanded that you use the minimum number of cables. How many cables do you use?
Explanation / Answer
THE PAINT WEIGHT IS 40*9.8=392N
but cable exerts not more than 120 N force so atleast 4 cables are required to lift the paint.
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