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Mechanical Analysis

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. Kinetic friction
Net Force
Vector
Fk
Power

2. Physical quantity that is completely described by its magnitude (mass - volume - length)
T
Scalar
Static Friction
F

3. Equation for Kinetic Energy
KE = 1/2 mv^2
Potential Energy
m
p = mv

4. SI unit for impulse
P
Newton (N)
i
N*s

5. SI unit of Force
g
Newton (N)
P = F * v
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

6. The capacity to do mechanical work
Mechanical energy
Scalar
Torque
I

7. Static friction
Fs
Center of Gravity
Mass
KE = 1/2 mv^2

8. The rate of the mechanical work done by a force
SE = 1/2kx^2
Eccentric Force
Power
Center of Gravity

9. A force acting through the CoG of a body induces translation
m
concentric force
Kinematics
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

10. Symbol for displacement
h
N*s
Fk = Uk * R
s

11. Tendency of a body to resist a change in its state of motion
Inertia
Vector
Work
Fk

12. Symbol of mass
m
Linear momentum
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
Impulse

13. Symbol for acceleration
a
Types of friction
Free Body Diagram
Impulse

14. Symbol for height above ground
Impulse
h
a
Linear momentum

15. Rearrangement of equation for Power
Strain Energy
Force
Normal reaction force
P = F * (s/t)

16. Potential energy due to an objects form
P = F * (s/t)
p = mv
Strain Energy
W = F * s

17. Newton's 2nd Law of Motion (law of acceleration)
N*s
Potential Energy
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

18. Product of force X time over which the force acts
Impulse
Eccentric Force
Strain Energy
PE = mgh

19. Newton's 3rd Law of Motion (law of reaction)
Kinetics
Us
s
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

20. Resultant force derived from the composition of two or more forces
Kinetic Energy
Net Force
F=ma
Forms of mechanical energy

21. Symbol for gravity
Kinetic Friction
P = (F*s)/t
F=ma
g

22. P
symbol for momentum
g
Kinetic Energy
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

23. Equation for Power
Us
Normal reaction force
Forms of mechanical energy
P = (F*s)/t

24. Coefficient of kinetic friction
concentric force
Uk
Center of Gravity
m

25. Symbol for power - measured in Watts (W)
Potential Energy
i = F*t
Joule (J)
P

26. Symbol of inertia
i
P = (F*s)/t
Us
I = F * t

27. SI unit for mechanical energy
SE = 1/2kx^2
Joule (J)
m
Net Force

28. Equation for Potential Energy
PE = mgh
Eccentric Force
Us
if an object is at rest or moving with a constant velocity then the forces on it must be...

29. The spring constant
Torque
SE = 1/2kx^2
k
a

30. Force acting perpendicular to two surfaces in contact
Uk
Normal reaction force
I = F * t
P = F * (s/t)

31. A force acting away from the CoG of a body induces translation AND rotation
Torque
Eccentric Force
Fk
Joule (J)

32. The energy a body possesses due to its movement
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Free Body Diagram
Kinetic Energy
Kinetic Friction

33. Quantity of matter contained in an object
Mass
W
m
g

34. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Center of Gravity
Eccentric Force
F=ma
Fk = Uk * R

35. Equation for 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
h
p = mv
Strain Energy

36. Equation of Force
Kinetic Energy
if an object is at rest or moving with a constant velocity then the forces on it must be...
T
F=ma

37. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
g
Us
Free Body Diagram
I

38. The frictional force between two surfaces when there is movement between the surfaces
Inertia
Scalar
Kinetic Friction
Forms of mechanical energy

39. Equation for static friction
Newton (N)
F
Fs = Us * R
a

40. zero OR balanced
if an object is at rest or moving with a constant velocity then the forces on it must be...
k
Linear momentum
Center of Gravity

41. Equation for acceleration
a = F/m
a
F=ma
Center of Gravity

42. Symbol for torque
I
T
SE = 1/2kx^2
Force

43. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Force
I = F * t
P = F * v
Potential Energy

44. Equation for Strain enegy
h
Fk = Uk * R
symbol for momentum
SE = 1/2kx^2

45. The study of what causes motion (describes the forces that cause motion)
Kinetics
F
Net Force
Fs

46. Equation of Power equals Strength times Speed
symbol for momentum
i
P = F * v
k

47. Equation of impulse
Work
Fs
concentric force
i = F*t

48. Equation for work
Frictional Force
P = F * v
if an object is at rest or moving with a constant velocity then the forces on it must be...
W = F * s

49. Kinetic energy (KE) and Potential Energy (PE)
Forms of mechanical energy
Impulse
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

50. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
Frictional Force
T
Kinematics
Free Body Diagram

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Mechanical Analysis

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