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