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. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Net Force
Power
Center of Gravity
Eccentric Force
2. Equation for Kinetic Energy
i
Kinetics
KE = 1/2 mv^2
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
3. Symbol of Force
Work
Forms of mechanical energy
F=ma
F
4. zero OR balanced
Fs
if an object is at rest or moving with a constant velocity then the forces on it must be...
F=ma
Net Force
5. Symbol for Watts
W
Mass
Forms of mechanical energy
Inertia
6. Symbol of Impulse
Us
Normal reaction force
I
g
7. Symbol for acceleration
a
a = F/m
h
Kinetic Friction
8. Kinetic energy (KE) and Potential Energy (PE)
a = F/m
Normal reaction force
Forms of mechanical energy
Free Body Diagram
9. SI unit for mechanical energy
N*s
P = (F*s)/t
Net Force
Joule (J)
10. Resultant force derived from the composition of two or more forces
KE = 1/2 mv^2
Net Force
P = F * v
Static Friction
11. Coefficient of static friction
Us
Potential Energy
i
a
12. Potential energy due to an objects form
Force
Torque
Newton (N)
Strain Energy
13. Equation for static friction
Normal reaction force
Fs = Us * R
Types of friction
Forms of mechanical energy
14. Symbol for height above ground
Force
i = F*t
h
Torque
15. The frictional force between two surfaces when there is no movement between the surfaces
Static Friction
W = F * s
Impulse
P = F * v
16. The capacity to do mechanical work
Linear momentum
I
Mechanical energy
Potential Energy
17. Symbol of mass
m
Center of Gravity
Strain Energy
Kinetic Friction
18. Symbol for power - measured in Watts (W)
P
Newton (N)
Static Friction
KE = 1/2 mv^2
19. The energy due to the position that a body occupies relative to the earths surface
Potential Energy
Types of friction
i
Uk
20. Equation for Potential Energy
Uk
Net Force
PE = mgh
P
21. The energy a body possesses due to its movement
Fs
W = F * s
Kinetic Energy
Free Body Diagram
22. Equation for work
Work
F
g
W = F * s
23. Equation of Power equals Strength times Speed
P = F * v
Eccentric Force
Mechanical energy
Joule (J)
24. The spring constant
k
Types of friction
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Normal reaction force
25. Equation for Strain enegy
i
SE = 1/2kx^2
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
symbol for momentum
26. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
Frictional Force
W = F * s
Potential Energy
Newton (N)
27. Symbol of inertia
i
Free Body Diagram
i = F*t
Strain Energy
28. 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
Fk = Uk * R
a = F/m
Linear momentum
Work
29. A force acting through the CoG of a body induces translation
Power
Strain Energy
symbol for momentum
concentric force
30. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Force
Fk
Net Force
Normal reaction force
31. The frictional force between two surfaces when there is movement between the surfaces
Kinetic Friction
Fk
Fk = Uk * R
Strain Energy
32. Static - Kinetic - and Rolling
Mass
Eccentric Force
Types of friction
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
33. P
P = F * v
symbol for momentum
PE = mgh
Newton (N)
34. Newton's 1st Law of motion (law of inertia)
Kinetic Friction
P = (F*s)/t
Net Force
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
35. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Mass
Kinematics
W = F * s
SE = 1/2kx^2
36. Newton's 3rd Law of Motion (law of reaction)
Scalar
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
k
m
37. Static friction
Strain Energy
Kinetic Energy
Net Force
Fs
38. Equation for Impulse
concentric force
I = F * t
symbol for momentum
I
39. Symbol for gravity
p = mv
Frictional Force
g
I = F * t
40. Product of mass and linear velocity
W = F * s
Linear momentum
Strain Energy
Forms of mechanical energy
41. Symbol for torque
T
h
s
Eccentric Force
42. SI unit for impulse
Fs
N*s
a
Frictional Force
43. The study of what causes motion (describes the forces that cause motion)
Strain Energy
a = F/m
Kinetics
SE = 1/2kx^2
44. SI unit of Force
Fs
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
Static Friction
Newton (N)
45. Physical quantity that is completely described by its magnitude (mass - volume - length)
Work
P = F * v
Force
Scalar
46. Equation for momentum
a = F/m
P
F=ma
p = mv
47. Equation for acceleration
T
a = F/m
P = F * v
Vector
48. Equation of Force
I
Normal reaction force
F=ma
Fs
49. Equation for Power
Kinetics
P = (F*s)/t
Uk
N*s
50. Rearrangement of equation for Power
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
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Normal reaction force
P = F * (s/t)