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