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