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Test your basic knowledge |
Mechanical Principles Of Human Movement
Start Test
Study First
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. Mechanics of objects in accelerated motion.
Law of acceleration
Dynamic
Static
Angular motion
2. The product of forece multiplied by the time that force acts
Impulse
Average speed
General motion
Rectilinear translation
3. Rate of motion in a specific direction
Velocity
Work
International System of Units
Inelastic collisions
4. Rectilinear translation and Curvilinear translation
Power
Time
Concentric contraction
Two types of linear motion
5. The capacity to do work
Energy
Position
Kinetics
Inertia
6. A push or a pull. They cause objects to start - stop - speed up - slow down or change direction. (N)
International System of Units
Forces
Curvilinear translation
Acceleration
7. Occurs when an object moves in a positive direction but is slowing down
Negative acceleration
Velocity
Kinetics
Work
8. 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.
Energy
Work
Motion
Curvilinear translation
9. The rate of doing work
Weight
Power
Friction forces
Time
10. Forces that act within the object or system whose motion is being investigated.
Curvilinear translation
Mechanics
Internal forces
Distance traveled
11. Are forces that act on an object as a result of interaction with the environment surrounding it. Either non - contact or contact forces.
Motion
Major components in many sports
Energy
External forces
12. The means by which energy is transferred from one object or system to another
Impulse
Work
Displacement
Kinetic energy
13. The branch of dynamics concerned with the forces that cause or tend to cause motion (external forces - Newton's laws).
Length
Strain energy
Kinetics
Kinematics
14. Energy due to deformation
Kinetic energy
International System of Units
Weight
Strain energy
15. Location in space in relation to a fix point
Strain energy
Friction forces
Normal contact forces
Position
16. 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.
Biomechanics
Angular motion
Position
Major components in many sports
17. Duration of an event - SI unit if seconds - minutes - hours and days all based on s.
Positive work
Occurs when all points on a body or object move the same distance - in the same direction at the same time
Time
Average velocity
18. The product of force and the amount of displacement in the direction of that force
Work
Inertia
External forces
Gravitational potential energy
19. 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.
Two types of linear motion
Displacement
Friction forces
General motion
20. Done by a force acting on an object if the object is displaced in the same direction as the force
Positive work
Average velocity
Gravitational potential energy
Weight
21. Speed and velocity
Normal contact forces
Occurs when all points on a body or object move the same distance - in the same direction at the same time
Power
Major components in many sports
22. The action or process of change in position - in which two things are necessary.
Dynamic
Contact forces
Motion
Law of action - reaction
23. 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
Impulse
Law of Inertia
Time
Positive acceleration
24. Displacement/time
Average velocity
Positive work
Law of action - reaction
Contact forces
25. Energy due to motion
Forces
Kinetic energy
External forces
Negative work
26. The branch of dynamics concerned with the forces that cause or tend to cause motion
Two types of linear motion
Mass
General motion
Kinetics
27. When an object speeds up - slows down - starts - stops or changes direction. Can be positive or negative
Biomechanics
Coefficient of restitution
Acceleration
Work
28. The distance traveled in a straight line from the starting point to the ending point
Displacement
Work
Strain energy
Concentric contraction
29. The branch of dynamics concerned with the description of motion (linear - angular and general motion).
Contact forces
Kinematics
Negative work
Non - contact forces
30. Force that occur even if the objects are not touching i.e. gravity or magnetic.
Negative work
Kinetics
Non - contact forces
Dynamic
31. Energy due to position
Law of acceleration
External forces
Potential energy
Speed
32. Linear motion
Energy
Coefficient of restitution
Occurs when all points on a body or object move the same distance - in the same direction at the same time
Law of Inertia
33. Linear motion
Motion
International System of Units
Work
referred to as translation
34. The shortening phase of the muscle in an isotonic lift is an example of positive work
Average velocity
Velocity
Concentric contraction
External forces
35. Mechanics of objects at rest of moving at a constant velocity.
Static
Power
Weight
Momentum
36. Distance traveled/time
Law of acceleration
Angular motion
Average speed
Concentric contraction
37. All of the momentum of one object is transferred to the other (two pennies example)
Inertia
Law of Inertia
Elastic collisions
Acceleration
38. In reference to height - the greater the height the more gravitational potential energy
Work
Gravitational potential energy
Curvilinear translation
Time
39. Used to describe a change in position - the SI unit is meters - may also see miles - yards - feet and inches.
Positive work
Inertia
Normal contact forces
Length
40. Speeding up in a positive direction
Distance traveled
Kinetics
Positive acceleration
Impulse
41. Are forces that occur between objects in contact with each other i.e. air and water.
Inelastic collisions
Internal forces
Contact forces
Average speed
42. Rate of motion of an object
Speed
Work
Rectilinear translation
Elastic collisions
43. The objects stay together and move with the same velocity after impact (full back and linebacker)
Speed
Inelastic collisions
Kinetic energy
Non - contact forces
44. The property of an object to resist changes in its motion.
Coefficient of restitution
Kinetic energy
Average speed
Inertia
45. Measure of the force of gravity acting on an object. Changes with location.
Internal forces
Acceleration
Weight
External forces
46. To every action there is always opposed an equal reaction
Rectilinear translation
Potential energy
Inertia
Law of action - reaction
47. Measure of inertia; the quantity of matter in an object. Does not change with location.
Normal contact forces
Mass
Law of acceleration
Positive acceleration
48. Defined as the absolute value of the ratio of the velocity of separation of velocity of approach
Average speed
Position
Acceleration
Coefficient of restitution
49. A change in position that results from a combination of both linear and angular motion. Most movement is general is nature
Impulse
Two types of linear motion
Potential energy
General motion
50. Accelerate our bodies
Law of acceleration
Eccentric phase
Vector
Momentum