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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. 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
Potential Energy
Torque
W = F * s
2. Static - Kinetic - and Rolling
Kinetic Friction
Fk
Mass
Types of friction
3. 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
Potential Energy
Vector
Work
Joule (J)
4. Potential energy due to an objects form
concentric force
Strain Energy
k
Inertia
5. Rotary effect of a force
Us
Torque
s
Vector
6. Equation for momentum
Uk
p = mv
s
Free Body Diagram
7. Tendency of a body to resist a change in its state of motion
Inertia
Kinetic Friction
Fk
Fk = Uk * R
8. Equation for Power
Fk
Mechanical energy
P = (F*s)/t
h
9. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
Power
F
I = F * t
Frictional Force
10. A force acting through the CoG of a body induces translation
concentric force
F
Impulse
a = F/m
11. An interaction between two objects/bodies that change or tend to change their motion (Vector)
g
Eccentric Force
Force
W
12. Equation of Force
F=ma
Potential Energy
P = F * v
Mechanical energy
13. The energy a body possesses due to its movement
T
Us
Newton (N)
Kinetic Energy
14. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
h
Free Body Diagram
Kinetics
Force
15. The study of what causes motion (describes the forces that cause motion)
Impulse
Kinetics
i = F*t
Linear momentum
16. Symbol for gravity
P = F * (s/t)
i
Kinetic Friction
g
17. Equation for Potential Energy
PE = mgh
Torque
Net Force
Eccentric Force
18. Force acting perpendicular to two surfaces in contact
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
Joule (J)
P = F * v
Normal reaction force
19. Equation for kinetic friction
Fk = Uk * R
Scalar
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
P = F * v
20. The frictional force between two surfaces when there is movement between the surfaces
Kinetic Friction
Kinematics
Impulse
Kinetics
21. Equation for static friction
if an object is at rest or moving with a constant velocity then the forces on it must be...
Fs = Us * R
Newton (N)
Mechanical energy
22. Equation of Power equals Strength times Speed
s
P = F * v
Center of Gravity
Us
23. The energy due to the position that a body occupies relative to the earths surface
Power
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
Potential Energy
Types of friction
24. The capacity to do mechanical work
P = F * v
g
Strain Energy
Mechanical energy
25. Symbol of Force
SE = 1/2kx^2
F
Fs = Us * R
h
26. Symbol for acceleration
a
Impulse
Fk
I
27. Kinetic energy (KE) and Potential Energy (PE)
Mass
Forms of mechanical energy
F=ma
Strain Energy
28. Equation for work
Force
SE = 1/2kx^2
Kinetics
W = F * s
29. Coefficient of static friction
Frictional Force
Free Body Diagram
P
Us
30. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Kinematics
Work
Uk
W = F * s
31. Symbol for Watts
Scalar
m
W
Inertia
32. The rate of the mechanical work done by a force
Power
Torque
Vector
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
33. Quantity of matter contained in an object
Normal reaction force
Power
Mass
p = mv
34. Symbol of mass
m
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
symbol for momentum
Frictional Force
35. Product of force X time over which the force acts
I = F * t
PE = mgh
i
Impulse
36. SI unit for impulse
N*s
Vector
symbol for momentum
i
37. Symbol for displacement
Potential Energy
s
P = (F*s)/t
Kinetics
38. Symbol for height above ground
m
s
i
h
39. Equation for Kinetic Energy
KE = 1/2 mv^2
symbol for momentum
Inertia
P
40. Equation for Strain enegy
Mechanical energy
SE = 1/2kx^2
Types of friction
Strain Energy
41. Symbol for torque
Force
T
Vector
P = F * (s/t)
42. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Vector
Kinetic Friction
concentric force
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
43. Equation for Impulse
i
I = F * t
Inertia
Static Friction
44. P
Kinetics
symbol for momentum
Uk
g
45. Coefficient of kinetic friction
Uk
symbol for momentum
Vector
Mechanical energy
46. SI unit of Force
Normal reaction force
Fk = Uk * R
Power
Newton (N)
47. Static friction
Kinetics
KE = 1/2 mv^2
Fs
Center of Gravity
48. Symbol of inertia
Static Friction
h
F
i
49. SI unit for mechanical energy
P = F * v
Normal reaction force
Joule (J)
Vector
50. Kinetic friction
i
m
Fk
Fk = Uk * R
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