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