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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 static friction
Eccentric Force
s
Fs = Us * R
W = F * s
2. Product of force X time over which the force acts
Fk = Uk * R
P
Impulse
Frictional Force
3. Potential energy due to an objects form
Kinetic Friction
a
Fk = Uk * R
Strain Energy
4. Static friction
I
Fs
N*s
Kinematics
5. Rearrangement of equation for Power
Fk = Uk * R
P = F * (s/t)
Eccentric Force
Potential Energy
6. Symbol for height above ground
a
Kinetics
h
Eccentric Force
7. The energy a body possesses due to its movement
P = (F*s)/t
Kinetic Energy
Free Body Diagram
I = F * t
8. Symbol for gravity
Kinetic Friction
if an object is at rest or moving with a constant velocity then the forces on it must be...
concentric force
g
9. Symbol for displacement
s
KE = 1/2 mv^2
concentric force
T
10. The rate of the mechanical work done by a force
a
F=ma
Mechanical energy
Power
11. Symbol for torque
Fk = Uk * R
T
i
i = F*t
12. Equation for acceleration
Fk
h
Kinetic Friction
a = F/m
13. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Us
I
Force
PE = mgh
14. Kinetic friction
P = F * v
concentric force
symbol for momentum
Fk
15. Coefficient of static friction
Normal reaction force
F
Us
Linear momentum
16. Equation for Potential Energy
Us
PE = mgh
P = (F*s)/t
Work
17. Equation of Power equals Strength times Speed
s
P = F * v
Work
Static Friction
18. Equation for kinetic friction
Fk = Uk * R
P
i
Static Friction
19. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
N*s
Eccentric Force
Force
Kinematics
20. Product of mass and linear velocity
Potential Energy
Linear momentum
W
Free Body Diagram
21. SI unit of Force
a = F/m
Joule (J)
m
Newton (N)
22. SI unit for mechanical energy
Normal reaction force
Linear momentum
Joule (J)
N*s
23. Resultant force derived from the composition of two or more forces
Impulse
KE = 1/2 mv^2
Inertia
Net Force
24. Symbol of Impulse
Fk
Static Friction
Kinetics
I
25. Symbol for Watts
m
N*s
Joule (J)
W
26. The frictional force between two surfaces when there is no movement between the surfaces
Us
Normal reaction force
i
Static Friction
27. The spring constant
k
PE = mgh
Strain Energy
Fk
28. Kinetic energy (KE) and Potential Energy (PE)
W
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
Forms of mechanical energy
I = F * t
29. Equation for Kinetic Energy
KE = 1/2 mv^2
W
Fs
p = mv
30. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Frictional Force
Kinetic Friction
SE = 1/2kx^2
Vector
31. Symbol of Force
F
P = F * (s/t)
T
Kinematics
32. Equation of impulse
Vector
i = F*t
concentric force
Net Force
33. The frictional force between two surfaces when there is movement between the surfaces
Fk
a = F/m
Kinetic Friction
Power
34. Symbol of inertia
i
Normal reaction 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
N*s
35. Symbol for acceleration
a
Vector
Frictional Force
a = F/m
36. A force acting through the CoG of a body induces translation
s
p = mv
P = F * (s/t)
concentric force
37. Rotary effect of a force
Torque
Fs
Kinetic Friction
i = F*t
38. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
Free Body Diagram
P
Center of Gravity
Kinetics
39. Equation for momentum
a = F/m
Fk = Uk * R
p = mv
symbol for momentum
40. Symbol for power - measured in Watts (W)
Forms of mechanical energy
P
m
k
41. Static - Kinetic - and Rolling
W = F * s
Types of friction
g
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
42. Force acting perpendicular to two surfaces in contact
Kinetic Friction
Normal reaction force
p = mv
m
43. Equation for Impulse
I = F * t
s
Scalar
m
44. The study of what causes motion (describes the forces that cause motion)
I
if an object is at rest or moving with a constant velocity then the forces on it must be...
T
Kinetics
45. Tendency of a body to resist a change in its state of motion
Static Friction
P
Inertia
Fs = Us * R
46. Equation of Force
Us
if an object is at rest or moving with a constant velocity then the forces on it must be...
a
F=ma
47. Physical quantity that is completely described by its magnitude (mass - volume - length)
i = F*t
Scalar
p = mv
P = (F*s)/t
48. Quantity of matter contained in an object
Forms of mechanical energy
Eccentric Force
Mass
Power
49. 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
Eccentric Force
Work
Impulse
Static Friction
50. The energy due to the position that a body occupies relative to the earths surface
h
Potential Energy
symbol for momentum
P = F * (s/t)