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 muscle elongates is an example of negative work






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






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






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






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






6. The rate of doing work






7. Mechanics of objects in accelerated motion.






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






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






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






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






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






15. 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.






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






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






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






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






21. Energy due to deformation






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






23. Energy due to motion






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






25. The capacity to do work






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






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






28. Accelerate our bodies






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






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






31. Linear motion






32. Energy due to position






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






34. 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






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






36. Location in space in relation to a fix point






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






38. Speeding up in a positive direction






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






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






41. Rectilinear translation and Curvilinear translation






42. 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.






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






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






45. Rate of motion of an object






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






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






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






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






50. Speed and velocity