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