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