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