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