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