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