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