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