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