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