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