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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
Normal reaction force
k
Mechanical energy
h

2. Equation of impulse
Normal reaction force
i = F*t
m
Potential Energy

3. Equation for Strain enegy
SE = 1/2kx^2
Potential Energy
Kinetics
Inertia

4. Symbol of inertia
Scalar
i
P = F * (s/t)
Impulse

5. Equation for static friction
Fs = Us * R
PE = mgh
s
N*s

6. Symbol of Impulse
I
Kinematics
m
Work

7. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Joule (J)
Center of Gravity
Work
i = F*t

8. 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
Fk
Work
W = F * s
I

9. Equation for Potential Energy
Inertia
Impulse
Kinematics
PE = mgh

10. Rearrangement of equation for Power
if an object is at rest or moving with a constant velocity then the forces on it must be...
P = F * (s/t)
Free Body Diagram
Net Force

11. Symbol of mass
Forms of mechanical energy
Fk
m
KE = 1/2 mv^2

12. Equation for work
Fk
Newton (N)
W = F * s
F

13. SI unit for mechanical energy
P
Joule (J)
Linear momentum
s

14. The study of what causes motion (describes the forces that cause motion)
Kinetics
k
Power
Forms of mechanical energy

15. Equation for Power
Kinematics
Force
Center of Gravity
P = (F*s)/t

16. Coefficient of static friction
Work
Net Force
Us
Frictional Force

17. Kinetic energy (KE) and Potential Energy (PE)
N*s
Forms of mechanical energy
P = F * v
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

18. 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
Us
concentric force
Kinetics

19. Equation for Impulse
I = F * t
a
W
P = (F*s)/t

20. Newton's 3rd Law of Motion (law of reaction)
Inertia
p = mv
a
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

21. zero OR balanced
Free Body Diagram
if an object is at rest or moving with a constant velocity then the forces on it must be...
Net Force
a

22. SI unit of Force
Newton (N)
N*s
k
I

23. Equation of Force
F=ma
g
P = F * v
Uk

24. Force acting perpendicular to two surfaces in contact
Normal reaction force
Static Friction
W
Newton (N)

25. The frictional force between two surfaces when there is movement between the surfaces
Mechanical energy
Kinetic Friction
a
Inertia

26. Coefficient of kinetic friction
Strain Energy
I = F * t
i = F*t
Uk

27. Equation for acceleration
Uk
a = F/m
Fs = Us * R
SE = 1/2kx^2

28. The spring constant
Net Force
PE = mgh
k
KE = 1/2 mv^2

29. SI unit for impulse
N*s
I = F * t
Mechanical energy
Strain Energy

30. P
Inertia
symbol for momentum
Center of Gravity
Eccentric Force

31. Physical quantity that is completely described by its magnitude (mass - volume - length)
if an object is at rest or moving with a constant velocity then the forces on it must be...
P
Scalar
h

32. Symbol for height above ground
Fs
Forms of mechanical energy
PE = mgh
h

33. The frictional force between two surfaces when there is no movement between the surfaces
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
s
Static Friction

34. Symbol for gravity
i = F*t
Normal reaction force
g
m

35. Symbol for torque
PE = mgh
W = F * s
Us
T

36. A force acting away from the CoG of a body induces translation AND rotation
Joule (J)
Eccentric Force
m
Center of Gravity

37. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Kinetic Friction
I
Force
Static Friction

38. Equation for Kinetic Energy
KE = 1/2 mv^2
Fs
Vector
Kinetic Energy

39. Resultant force derived from the composition of two or more forces
P
Static Friction
Net 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

40. Symbol for Watts
concentric force
PE = mgh
W = F * s
W

41. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
SE = 1/2kx^2
Scalar
Kinematics
Vector

42. Product of force X time over which the force acts
Impulse
a
concentric force
m

43. Static - Kinetic - and Rolling
Types of friction
i
Torque
a

44. Newton's 2nd Law of Motion (law of acceleration)
Forms of mechanical 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
Mechanical energy
h

45. Kinetic friction
Fk
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
P = (F*s)/t

46. Symbol for power - measured in Watts (W)
P
g
Newton (N)
P = F * (s/t)

47. The energy a body possesses due to its movement
P = F * v
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
Kinetic Energy
Frictional Force

48. A force acting through the CoG of a body induces translation
concentric force
P = (F*s)/t
Kinetic Friction
m

49. Product of mass and linear velocity
Vector
Linear momentum
Fs = Us * R
i = F*t

50. Equation for kinetic friction
W
Force
T
Fk = Uk * R

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Mechanical Analysis

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