"Engineering Lesson 1.1": HTML5 Crossword

Across

5. Recognized accreditor for college programs in science, computing, engineering and tech. (4)
6. Gear positioned between the driver and the driven gear used to change rotational direction. (5,4)
11. Flat surface set at an angle with no moving parts that is able to lift objects by pushing or pulling. (8,5)
12. Series of links connected to or fitted into one another and used to transmit motion and power within a sprocket system. (5)
13. Turning effect produced by a force acting at a distance on an object. (6)
15. Resistance that one surface or object encounters when moving over another. (8)
16. Circular toothed object used to transfer rotary motion and torque through interlocking teeth. (4)

Down

1. Ratio of distance traveled by the applied effort and resistance force within a system. (5,10,9)
2. Profession for which one trains and undertakes as a long-term vocation. (6)
3. Continuous band of tough flexible material used to transmit motion and power within a pulley system. (4)
4. An external force applied to an object. (6,5)
7. Ratio of useful energy output to the total energy output. (10)
8. Rigid bar used to exert a pressure at one point of its length by the application of a force at a 2nd point and turning at a 3rd on a fulcrum. (5)
9. Fixed point around which a lever rotates. (7)
10. Structure of or a system of working parts in a machine. (9)
14. Distance between adjacent threads in a screw. (5)