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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. The capacity to do mechanical work
symbol for momentum
Mechanical energy
h
P

2. The rate of the mechanical work done by a force
Power
if an object is at rest or moving with a constant velocity then the forces on it must be...
Frictional Force
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

3. Equation for acceleration
Linear momentum
Fs = Us * R
Mechanical energy
a = F/m

4. Static - Kinetic - and Rolling
W
Vector
Frictional Force
Types of friction

5. Symbol for displacement
s
W = F * s
PE = mgh
T

6. 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
Inertia
i
Work
a = F/m

7. Static friction
Fs
Power
Us
Linear momentum

8. Coefficient of kinetic friction
F=ma
Joule (J)
Uk
i

9. Product of force X time over which the force acts
F=ma
Work
Impulse
s

10. SI unit for impulse
Scalar
N*s
F
KE = 1/2 mv^2

11. SI unit for mechanical energy
Static Friction
Newton (N)
Potential Energy
Joule (J)

12. The frictional force between two surfaces when there is no movement between the surfaces
P = F * (s/t)
Center of Gravity
N*s
Static Friction

13. Symbol for gravity
P = (F*s)/t
g
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
Kinetic Energy

14. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Linear momentum
h
Vector
Forms of mechanical energy

15. Equation of Power equals Strength times Speed
Forms of mechanical energy
SE = 1/2kx^2
P = F * v
Newton (N)

16. Symbol for height above ground
h
i = F*t
Static Friction
Fs

17. Equation of Force
Forms of mechanical energy
k
i = F*t
F=ma

18. Equation for Strain enegy
Work
Frictional Force
SE = 1/2kx^2
Center of Gravity

19. zero OR balanced
if an object is at rest or moving with a constant velocity then the forces on it must be...
Joule (J)
i = F*t
Static Friction

20. Equation for Power
Strain Energy
P = (F*s)/t
a = F/m
Power

21. Symbol for acceleration
a
Mechanical energy
Kinematics
Kinetic Friction

22. Tendency of a body to resist a change in its state of motion
F
h
N*s
Inertia

23. A force acting through the CoG of a body induces translation
Kinetic Friction
concentric force
SE = 1/2kx^2
Normal reaction force

24. Symbol for torque
Joule (J)
Potential Energy
I = F * t
T

25. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Static Friction
Center of Gravity
Fs
P = F * (s/t)

26. Force acting perpendicular to two surfaces in contact
Kinematics
Kinetics
Normal reaction force
Us

27. Quantity of matter contained in an object
Mass
Scalar
Net Force
Joule (J)

28. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
a = F/m
Free Body Diagram
P
Power

29. Coefficient of static friction
p = mv
Fk
Us
N*s

30. The spring constant
P
i = F*t
k
concentric force

31. Symbol for power - measured in Watts (W)
P
Forms of mechanical energy
Static Friction
Net Force

32. Newton's 2nd Law of Motion (law of acceleration)
Free Body Diagram
if an object is at rest or moving with a constant velocity then the forces on it must be...
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

33. Newton's 3rd Law of Motion (law of reaction)
Uk
T
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

34. Equation for Impulse
I = F * t
a
if an object is at rest or moving with a constant velocity then the forces on it must be...
KE = 1/2 mv^2

35. Potential energy due to an objects form
a = F/m
concentric force
Strain Energy
i = F*t

36. Equation for work
W = F * s
Joule (J)
Scalar
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

37. Symbol of Impulse
Joule (J)
I
P = (F*s)/t
Free Body Diagram

38. Newton's 1st Law of motion (law of inertia)
Forms of mechanical energy
Joule (J)
i = F*t
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

39. The energy a body possesses due to its movement
Torque
P
Kinetic Energy
Forms of mechanical energy

40. Symbol of mass
Fs
s
N*s
m

41. Kinetic friction
if an object is at rest or moving with a constant velocity then the forces on it must be...
Fk
I
Uk

42. Equation for static friction
Fs = Us * R
W
Potential Energy
SE = 1/2kx^2

43. Equation for momentum
Normal reaction force
I = F * t
p = mv
KE = 1/2 mv^2

44. SI unit of Force
Newton (N)
k
Forms of mechanical energy
PE = mgh

45. Physical quantity that is completely described by its magnitude (mass - volume - length)
Impulse
Scalar
Center of Gravity
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

46. The study of what causes motion (describes the forces that cause motion)
Fk
Impulse
Center of Gravity
Kinetics

47. Equation for kinetic friction
Fk = Uk * R
F=ma
Free Body Diagram
Inertia

48. The frictional force between two surfaces when there is movement between the surfaces
Kinetic Friction
Fs = Us * R
SE = 1/2kx^2
Eccentric Force

49. Symbol of Force
F
a = F/m
Vector
Work

50. Equation for Kinetic Energy
concentric force
KE = 1/2 mv^2
i
i = F*t

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Mechanical Analysis

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