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