Mathematics, 04.06.2021 20:30 jerria73
1) An automobile jack has an effort arm of 45cm. the resistance of the arm is 6cm. What is the mechanical advantage of the jack?
2) A force of 35N is used to push a suitcase a distance of 9 meters across the floor. How much work is being done?
3) A set of pulleys is used to lift a boat weighing 1765N. The boat is lifted 4 meters in 45 seconds. How much power is required?
Answers: 2
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1) An automobile jack has an effort arm of 45cm. the resistance of the arm is 6cm. What is the mecha...
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