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