byD3. You wish to lift a 12,000 lb stone by a vertical distanceof 15 ft. Unfortunately, you can only generate a maximum12,000lbspushing force of 2,000 lb.a. What is the amount of work you must inputin order to move the stone?b. What is the actual mechanical advantage (AMA) required by a machine to complete the work above?C. You build a ramp to create the ideal mechanical advantage. What is the length of the ramp in feet?DELL- 15t 4. You wish to lift a 400 lb car engine a verticaldistance of 3 ftusing a strong rope. Unfortunately, your handcrank winchcan only generate 100 lbs of tension in yourrope. In order toovercome this obstacle, you use a multiplepulley system(block and tackle) to lift the engine.a. What is the mechanical advantage of thissystem?B. what length of rope is required to complete the work400 b3tFoundations of TechnologyTEEA.Engineering by DesignM

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3. You wish to lift a 12,000 lb stone by a vertical distance of 15 ft. Unfortunately, you can only generate a maximum I 12,000lbs pushing force of 2,000 lb. a. What is the amount of work you must input in order to move the stone? b. What is the actual mechanical advantage (AMA) required by a machine to complete the work above? C. You build a ramp to create the ideal mechanical advantage. What is the length of the ramp in feet? 15t

3. You wish to lift a 12,000 lb stone by a vertical distance of 15 ft. Unfortunately, you can only generate a maximum I 12,000lbs pushing force of 2,000 lb. a. What is the amount of work you must input in order to move the stone? b. What is the actual mechanical advantage (AMA) required by a machine to complete the work above? C. You build a ramp to create the ideal mechanical advantage. What is the length of the ramp in feet? 15t

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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5. 6. DETAILS SCALCET9 6.4.017. A 10 ft chain weighs 65 lb and hangs from a ceiling. Find the work done (in ft-lb) in lifting the lower end of the chain to the ceiling so that it's level with the upper end. ft-lb Show My Work (Optional) ? DETAILS SCALCET9 6.4.003. MY NOTES ft-lb MY NOTES ASK YOUR TEACHER ASK YOUR TEACHER A variable force of 7x-2 pounds moves an object along a straight line when it is x feet from the origin. Calculate the work done (in ft-lb) in moving the object from x = 1 ft to x = 12 ft. (Round your answer to two decimal places.)
7. Billy Bob is trying to decide whether to push a 50 kg dresser up a 4.5 m ramp or lift it directly into the back of a truck. The floor of the truck is 1.5 m above the surface of the street. a. What is the ideal mechanical advantage of the ramp? b. How much force is required to lift the dresser vertically upwards into the back of the truck? C. If the ramp were frictionless, then how much force is needed to push the dresser up it at constant speed? d. up the Billy Bob realizes that the ramp has a fairly rough surface. When he pushes the dresser ramp, he has to apply 225 N of force. What is the mechanical advantage of the ramp? How much work is required to lift the dresser vertically into the back of the truck? f. How much work is required to move the dresser up the ramp? e. g. What is the efficiency of the ramp?
1
1.1 weight, and the Write down the equation for determining the weight of a body. What is the value of gravitational acceleration on earth? 1.2 mass. 6. 2. 3. 4. Describe in your own words the difference between mass and weight. 5. Approximately how much do you weigh? What force will a body with a mass of 5 kg exert on a table? (49 What will the tension in a rope be if a body with a mass of 16,5 kg was hanging on it? 6. 7. 7. (161,7 (107,8 8. A body has a mass of 11 kg. What is its weight? (705,6 9. The mass of a man is 72 kg. What is his weight? (6 k 10. The weight of an object is 58,8 N. What is its mass? 11. A force of 600 N is required to raise a certain object. What is the mass of the object? (61,23 kg Exercise 1.3 1. Explain the difference between distance and displacement. 2. Write down the quantity and unit symbols for distance and displacement. 3. Define the term displacement. 4. A man walks 80 m west, turns north and walks a further 110 m. He then turns east and walks 80 m.…
1. A car is able to provide 300kW of tractive power, as it accelerates from 36 to 288km/hr, along a flat and level section of road. This is achieved in 2 seconds. a) Calculate the tractive force at 36km/hr.
Joe takes his little brother Andy down the the playground for an afternoon out. Andy would like to ride the seesaw, but the difference in their sizes, Joe weights 160lbs and Andy weighs 641lbs, makes this difficult. Joe sees a solution from his engineering class and moves the fulcrum from the middle to a new place. The seesaw is 3.5m long. After Joe moved the fulcrum how long was the seesaw on Joe's side?
Solve it correctly please. I will rate accordingly. SOLVE a,b,c
The automated drilling robot must withstand a 38 pound thrust at the tip of the bit. Determine the AC torque that the electric motor must develop to resist this thrust. A) force of the BE element: B) thrust moment of the AC electric motor:
A toy factory is planning to make an additional item, which would be processed in 4 departments. The company is proposing to produce 600,000 units per year, working 250 days per year. The estimates of times made by an industrial engineer are in the table: Departments Times 1 2 3 4 Average processing time (second/part) 8 13 10 50 Average maintenance, time/day (minutes) 20 30 20 15 Average daily setup, time (minutes) 20 15 30 20 Average bookkeeping, time/day (minutes) 10 8 12 5 Machine adjustment, time/day (minutes) 15 10 15 15 Defective items, (% of production) 5 6 4 4 The parts are produced within the departments in a sequential manner (from department 1 to 2 to 3 to 4). Determine the efficiency of each departmental operation if only one shift is operated between 7:30 am-4:30 pm, with a 40 minute lunchbreak and two 10 minute coffee breaks.
A winch mechanism with a handle length of 30 cm and a drum diameter of 8 cm isused to lift a 45 kg load.a. What is the VR of the winch?b. If 73.5 N of force is required to lift the load, what is the MA?c. What is the mechanical efficiency of the winch?d. How many turns will be required to lift the weight 0.85 meters?
10. A weight of 50.0 N is attached to the free end of a light string wrapped around a reel with a radius of a quarter meter and mass of 3.0 kg. The reel is a solid cylindrical disc free to rotate in a vertical plane about the horizontal axis passing through its center. The weight is released 6.0 m above the floor. a) Find the tension in the string, b) the acceleration of the mass, and c) the speed with which the weight hits the floor. d) Find the speed calculated in part a) using conservation of energy.