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