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