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