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