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






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






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






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






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






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






7. Rectilinear translation and Curvilinear translation






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






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






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






11. Distance traveled/time






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






13. Linear motion






14. Energy due to deformation






15. 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






16. Displacement/time






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






18. 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.






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






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






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






22. 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






23. The rate of doing work






24. The muscle elongates is an example of negative work






25. 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






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






27. 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.






28. A measure of the length of a path followed by an object






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






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






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






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






33. Speed and velocity






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






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






36. 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.






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






38. Linear motion






39. Energy due to motion






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






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






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






43. 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.






44. Location in space in relation to a fix point






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






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






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






48. Accelerate our bodies






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






50. Speeding up in a positive direction






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