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