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Introduction To Engineering - 7
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Introduction To Engineering - 7
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25 Questions

1. A wheel fixed to a support with a rope that is run over the wheel to change the direction of a force applied to the rope

2. Involves the effort you put in and the distance over which you maintain the effort

3. When generating ideas for a solution to a problem - it is important to do which of the following in order to effectively and visually communicate these ideas for use in construction drawings?

4. The force applied to a lever

5. A pulley that makes work easier

6. Force times distance

7. Consists of an endless chain looped around three pulleys

8. The weight of the obect being moved

9. More than one pulley working together

10. Seeks to meer our needs and wants and to extend our capabilities

11. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force

12. Work divided by time

13. If you generate alternative solutions and begin to build your best solution - but you have problems building your design - what should you do?

14. Seeks to explain and describe the physical world

15. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles

16. A bar or rod that tilts on a pivot - or fulcrum - used to overcome a resistance or to raise a weight when force is applied is a

17. Which is not a true statement about gears?

18. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction

19. The amount of effort needed to raise a load by using a pulley system is determined by

20. A lever in which the fulcrum is at one end - and the load is at the other end

21. The difficulties we must overcome

22. The ability to do work

23. Energy of position

24. Levers in which the fulcrum is always placed between the effort and the load are called

25. Machines are used to make work easier. How does a machine accomplish this?