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