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