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