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