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