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