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