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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. Symbol of Force
Free Body Diagram
Normal reaction force
Uk
F

2. SI unit for impulse
SE = 1/2kx^2
Fs = Us * R
W
N*s

3. Equation for Impulse
I = F * t
Force
Torque
F

4. Symbol of Impulse
I
N*s
F=ma
W

5. 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
Inertia
Potential Energy
Kinetics

6. Quantity of matter contained in an object
a = F/m
Uk
T
Mass

7. Equation for Strain enegy
SE = 1/2kx^2
Work
i
P = F * (s/t)

8. The spring constant
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
Force
Potential Energy
k

9. Resultant force derived from the composition of two or more forces
Scalar
Net Force
symbol for momentum
I

10. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Mechanical energy
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
Center of Gravity
Kinematics

11. Symbol of mass
T
g
Kinematics
m

12. Symbol for acceleration
Power
concentric force
Fs
a

13. Equation for work
concentric force
Us
I = F * t
W = F * s

14. The energy a body possesses due to its movement
Kinetic Energy
a = F/m
Kinematics
PE = mgh

15. Coefficient of kinetic friction
Uk
Free Body Diagram
a
KE = 1/2 mv^2

16. The rate of the mechanical work done by a force
Power
s
k
Force

17. zero OR balanced
if an object is at rest or moving with a constant velocity then the forces on it must be...
a = F/m
Types of friction
Us

18. A force acting through the CoG of a body induces translation
m
s
Strain Energy
concentric force

19. Symbol for height above ground
h
Us
p = mv
Scalar

20. The frictional force between two surfaces when there is no movement between the surfaces
Power
Static Friction
Uk
if an object is at rest or moving with a constant velocity then the forces on it must be...

21. Static - Kinetic - and Rolling
Force
Types of friction
a
Newton (N)

22. A force acting away from the CoG of a body induces translation AND rotation
Eccentric Force
P = F * v
k
Power

23. P
Newton (N)
P = F * (s/t)
g
symbol for momentum

24. Force acting perpendicular to two surfaces in contact
Normal reaction force
Mechanical energy
i = F*t
Mass

25. Equation of Power equals Strength times Speed
T
p = mv
P = F * v
if an object is at rest or moving with a constant velocity then the forces on it must be...

26. Equation of Force
F=ma
Fs = Us * R
Impulse
a = F/m

27. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
P = (F*s)/t
Free Body Diagram
W
Impulse

28. Symbol of inertia
PE = mgh
W
P = F * (s/t)
i

29. Kinetic friction
m
Fk
Net Force
i

30. Newton's 1st Law of motion (law of inertia)
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Newton (N)
Power
k

31. Newton's 3rd Law of Motion (law of reaction)
a = F/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
Free Body Diagram
Normal reaction force

32. Equation of impulse
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 = F*t
Kinetics
Potential Energy

33. Symbol for Watts
a = F/m
W
Mechanical energy
Normal reaction force

34. Equation for Kinetic Energy
Joule (J)
Work
Kinetics
KE = 1/2 mv^2

35. Static friction
k
Fs
P = F * v
Static Friction

36. SI unit of Force
P = F * v
W
Newton (N)
Joule (J)

37. Rearrangement of equation for Power
P = F * (s/t)
Power
F=ma
N*s

38. An interaction between two objects/bodies that change or tend to change their motion (Vector)
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Force
P = (F*s)/t
symbol for momentum

39. Tendency of a body to resist a change in its state of motion
Types of friction
Kinematics
k
Inertia

40. Symbol for power - measured in Watts (W)
SE = 1/2kx^2
P
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
k

41. Rotary effect of a force
T
Torque
W
Static Friction

42. Coefficient of static friction
g
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
Us
Net Force

43. Symbol for torque
k
a
s
T

44. Equation for Potential Energy
PE = mgh
concentric force
Fk
Mechanical energy

45. Equation for momentum
p = mv
N*s
symbol for momentum
Kinematics

46. The capacity to do mechanical work
Work
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Mechanical energy
P = (F*s)/t

47. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
P = (F*s)/t
Frictional Force
N*s
Fs = Us * R

48. Product of mass and linear velocity
m
Center of Gravity
Linear momentum
I

49. Product of force X time over which the force acts
F
N*s
concentric force
Impulse

50. Equation for acceleration
Kinetic Energy
Impulse
I
a = F/m