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