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