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