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






2. Speeding up in a positive direction






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






4. Displacement/time






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






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






7. The rate of doing work






8. 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






9. 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






10. Rate of motion of an object






11. Energy due to deformation






12. 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






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






14. Energy due to motion






15. Accelerate our bodies






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






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






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






19. The capacity to do work






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






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






22. Energy due to position






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






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






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






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






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






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






29. Rate of motion in a specific direction






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






31. Distance traveled/time






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






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






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






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






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






37. Mechanics of objects in accelerated motion.






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






39. 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.






40. Rectilinear translation and Curvilinear translation






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






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






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






44. Linear motion






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






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






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






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






49. 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.






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







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Can you answer 50 questions in 15 minutes?


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