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