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