SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Mechanical Analysis
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. A force acting through the CoG of a body induces translation
Potential Energy
Power
concentric force
Free Body Diagram
2. Symbol for height above ground
Fk
h
Force
The rate of change of motion (or acceleration for a body/object of constant mass) is proportional to - and in the same direction as - the force applied to it
3. Equation for Impulse
I = F * t
Power
KE = 1/2 mv^2
g
4. Product of force X time over which the force acts
i
Impulse
W
Kinematics
5. Mechanical work is equal to the product of magnitude of the force is applied to an object and the displacement undergone by the object in the direction that the force is being applied
concentric force
Work
k
Power
6. Rotary effect of a force
Vector
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Torque
Kinetics
7. The energy a body possesses due to its movement
N*s
h
Kinetic Energy
P = (F*s)/t
8. Symbol of inertia
i
The rate of change of motion (or acceleration for a body/object of constant mass) is proportional to - and in the same direction as - the force applied to it
Newton (N)
Strain Energy
9. The study of what causes motion (describes the forces that cause motion)
Static Friction
SE = 1/2kx^2
Kinetics
h
10. Product of mass and linear velocity
Us
Newton (N)
Free Body Diagram
Linear momentum
11. Potential energy due to an objects form
Work
W
Potential Energy
Strain Energy
12. Newton's 3rd Law of Motion (law of reaction)
F
When two objects are in contact - the force applied by one object is equal and opposite to that which the second object applies on the first
Kinetic Energy
p = mv
13. Coefficient of kinetic friction
Kinematics
Uk
s
PE = mgh
14. Symbol for torque
Kinetic Friction
T
Fs = Us * R
Torque
15. Equation for Power
symbol for momentum
KE = 1/2 mv^2
P = (F*s)/t
Mass
16. Newton's 2nd Law of Motion (law of acceleration)
SE = 1/2kx^2
Potential Energy
When two objects are in contact - the force applied by one object is equal and opposite to that which the second object applies on the first
The rate of change of motion (or acceleration for a body/object of constant mass) is proportional to - and in the same direction as - the force applied to it
17. Equation for acceleration
N*s
a = F/m
F
Kinetic Friction
18. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Fs
Force
p = mv
if an object is at rest or moving with a constant velocity then the forces on it must be...
19. Resultant force derived from the composition of two or more forces
PE = mgh
Net Force
Inertia
The rate of change of motion (or acceleration for a body/object of constant mass) is proportional to - and in the same direction as - the force applied to it
20. Equation for kinetic friction
Scalar
Fk = Uk * R
F=ma
Force
21. SI unit of Force
a = F/m
Newton (N)
Kinetics
I
22. Symbol for acceleration
Fs = Us * R
Fk = Uk * R
a
F=ma
23. Symbol for gravity
P
g
k
Newton (N)
24. Equation of impulse
P
Fk
symbol for momentum
i = F*t
25. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Inertia
Kinematics
Free Body Diagram
I = F * t
26. Newton's 1st Law of motion (law of inertia)
Static Friction
Uk
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Mass
27. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Scalar
symbol for momentum
Center of Gravity
k
28. Force acting perpendicular to two surfaces in contact
P = (F*s)/t
Fs = Us * R
Normal reaction force
W = F * s
29. Kinetic friction
Fk
Normal reaction force
concentric force
I = F * t
30. Equation for Strain enegy
PE = mgh
P
SE = 1/2kx^2
m
31. Symbol of Impulse
Kinetic Energy
Center of Gravity
Impulse
I
32. Rearrangement of equation for Power
SE = 1/2kx^2
p = mv
P = F * (s/t)
W
33. The energy due to the position that a body occupies relative to the earths surface
if an object is at rest or moving with a constant velocity then the forces on it must be...
Uk
Strain Energy
Potential Energy
34. Coefficient of static friction
W = F * s
Power
i = F*t
Us
35. Symbol of mass
Frictional Force
Static Friction
Uk
m
36. The frictional force between two surfaces when there is no movement between the surfaces
Linear momentum
Static Friction
Center of Gravity
Free Body Diagram
37. Equation of Power equals Strength times Speed
Fk = Uk * R
P = F * v
Types of friction
Linear momentum
38. Equation for Potential Energy
k
F=ma
Fs = Us * R
PE = mgh
39. Symbol for Watts
W
Frictional Force
h
Static Friction
40. Physical quantity that is completely described by its magnitude (mass - volume - length)
i = F*t
Scalar
Static Friction
Uk
41. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
Scalar
Forms of mechanical energy
Kinetics
Frictional Force
42. Static friction
Forms of mechanical energy
Fs
Free Body Diagram
Mechanical energy
43. Equation for static friction
The rate of change of motion (or acceleration for a body/object of constant mass) is proportional to - and in the same direction as - the force applied to it
Net Force
PE = mgh
Fs = Us * R
44. SI unit for mechanical energy
W = F * s
a
When two objects are in contact - the force applied by one object is equal and opposite to that which the second object applies on the first
Joule (J)
45. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
g
Mechanical energy
Free Body Diagram
Eccentric Force
46. Symbol of Force
Types of friction
P = F * v
F
p = mv
47. The frictional force between two surfaces when there is movement between the surfaces
Kinetic Energy
p = mv
Kinetic Friction
Scalar
48. Static - Kinetic - and Rolling
Types of friction
Potential Energy
i = F*t
T
49. P
if an object is at rest or moving with a constant velocity then the forces on it must be...
symbol for momentum
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Fs = Us * R
50. Equation of Force
N*s
W = F * s
T
F=ma