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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. 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






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






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






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






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






6. Measure of the force of gravity acting on an object. Changes with location.






7. Forces that act within the object or system whose motion is being investigated.






8. 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.






9. 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






10. Speeding up in a positive direction






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






12. The study of forces and their effects on living systems.






13. Accelerate our bodies






14. Speed and velocity






15. Rectilinear translation and Curvilinear translation






16. 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.






17. Linear motion






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






19. Energy due to motion






20. Rate of motion in a specific direction






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






22. The rate of doing work






23. Mechanics of objects at rest of moving at a constant velocity.






24. The branch of dynamics concerned with the description of motion (linear - angular and general motion).






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






26. Displacement/time






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






28. Location in space in relation to a fix point






29. Done by a force acting on an object when the object is displaced in the direction opposite the force acting on it






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






31. 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.






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






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






34. Rate of motion of an object






35. Energy due to position






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






37. Defined as the absolute value of the ratio of the velocity of separation of velocity of approach






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






39. Distance traveled/time






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






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






42. The property of an object to resist changes in its motion.






43. The muscle elongates is an example of negative work






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






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






46. Energy due to deformation






47. 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






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






49. Linear motion






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







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