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






2. Location in space in relation to a fix point






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






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






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






6. 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.






7. Speed and velocity






8. 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.






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






10. Linear motion






11. 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






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 rate of doing work






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






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






16. Rate of motion in a specific direction






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






18. Energy due to position






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






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






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






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






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






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






25. Rate of motion of an object






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






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






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






29. Energy due to motion






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






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






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






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






34. 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






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






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






37. Displacement/time






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






39. The capacity to do work






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






41. Linear motion






42. Energy due to deformation






43. 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.






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






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






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






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






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






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