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