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