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