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