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Mechanical Principles Of Human Movement

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Defined as the absolute value of the ratio of the velocity of separation of velocity of approach






2. Are forces that act on an object as a result of interaction with the environment surrounding it. Either non - contact or contact forces.






3. Measure of inertia; the quantity of matter in an object. Does not change with location.






4. Accelerate our bodies






5. Speed and velocity






6. Mechanics of objects in accelerated motion.






7. The muscle elongates is an example of negative work






8. A push or a pull. They cause objects to start - stop - speed up - slow down or change direction. (N)






9. The science concerned with the effects of forces acting on objects.






10. The objects stay together and move with the same velocity after impact (full back and linebacker)






11. Linear motion that occurs when a object maintains its orientation during a movement so that all points on the object move the same distance - in the same direction - in the same time - in strain lines






12. Everybody continues in a state of rest or of uniform motion in a straight line - unless it is compelled to change that state by forces impressed upon it






13. The shortening phase of the muscle in an isotonic lift is an example of positive work






14. Linear motion






15. Occurs when an object moves in a positive direction but is slowing down






16. Rectilinear translation and Curvilinear translation






17. The product of force and the amount of displacement in the direction of that force






18. The distance traveled in a straight line from the starting point to the ending point






19. Energy due to deformation






20. Is a mathematical representation of anything that is defined by its size or magnitude (a number) and its direction (its orientation).






21. Are forces that occur between objects in contact with each other i.e. air and water.






22. Force that occur even if the objects are not touching i.e. gravity or magnetic.






23. To every action there is always opposed an equal reaction






24. The means by which energy is transferred from one object or system to another






25. The rate of doing work






26. Energy due to motion






27. Act perpendicular to the surface in contact and move the objects in opposite ways i.e. the downward force from a runners foot strike moves runner up away from the earth.






28. Act parallel to the contacts and opposes motion or sliding between the surfaces i.e. the backward of the runners foot strike gives the runner horizontal motion.






29. Change in position that occurs when all points on a body or object move in circular paths about the same fixed axis - also referred to as rotary motion or rotation.






30. The capacity to do work






31. Rate of motion of an object






32. All of the momentum of one object is transferred to the other (two pennies example)






33. Linear motion that occurs when an object maintains its orientation during a movement so that all points on the object move the same distance - in the same direction - in the same time but not in straight lines.






34. Used to describe a change in position - the SI unit is meters - may also see miles - yards - feet and inches.






35. The branch of dynamics concerned with the forces that cause or tend to cause motion (external forces - Newton's laws).






36. A change in position that results from a combination of both linear and angular motion. Most movement is general is nature






37. Rate of motion in a specific direction






38. The product of forece multiplied by the time that force acts






39. When an object speeds up - slows down - starts - stops or changes direction. Can be positive or negative






40. SI units are the most commonly accepted units of measure based on the metric system.






41. In reference to height - the greater the height the more gravitational potential energy






42. Duration of an event - SI unit if seconds - minutes - hours and days all based on s.






43. The action or process of change in position - in which two things are necessary.






44. Energy due to position






45. Linear motion






46. The branch of dynamics concerned with the forces that cause or tend to cause motion






47. The change of motion of an object is proportional to the force impressed; and is made in the direction of the straight line in which the force is impressed






48. Distance traveled/time






49. Location in space in relation to a fix point






50. Done by a force acting on an object if the object is displaced in the same direction as the force