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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. Rectilinear translation and Curvilinear translation






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






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






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






5. The muscle elongates is an example of negative work






6. Displacement/time






7. 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.






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






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






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






11. Rate of motion of an object






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






13. Linear motion






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






15. 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.






16. Linear motion






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






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






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






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






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






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






23. Speed and velocity






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






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. Rate of motion in a specific direction






27. Speeding up in a positive direction






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






29. Energy due to position






30. Energy due to deformation






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






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






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






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






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






37. The capacity to do work






38. Accelerate our bodies






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






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






41. 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






42. Distance traveled/time






43. Location in space in relation to a fix point






44. 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.






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






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






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






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






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






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







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