Test your basic knowledge |

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






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






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






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






5. The muscle elongates is an example of negative work






6. Speeding up in a positive direction






7. Linear motion






8. The capacity to do work






9. 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.






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






11. Mechanics of objects in accelerated motion.






12. Location in space in relation to a fix point






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






14. Speed and velocity






15. Displacement/time






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






17. Energy due to motion






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






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






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






21. 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.






22. 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.






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






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






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






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






27. 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






28. Rate of motion in a specific direction






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






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






31. Linear motion






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






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






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






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






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






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






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






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






40. 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






41. Accelerate our bodies






42. Energy due to deformation






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






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






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






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






47. 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.






48. Rate of motion of an object






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






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