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