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