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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 for acceleration
Strain Energy
a
concentric force
Normal reaction force

2. zero OR balanced
if an object is at rest or moving with a constant velocity then the forces on it must be...
Joule (J)
Free Body Diagram
N*s

3. Equation for Strain enegy
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
SE = 1/2kx^2
Power
Force

4. Equation for Impulse
Fk
I = F * t
Power
Normal reaction force

5. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Net Force
h
Vector
concentric force

6. Symbol of Impulse
PE = mgh
Kinetic Friction
P = F * (s/t)
I

7. Equation for static friction
Potential Energy
g
Fs = Us * R
Fs

8. Newton's 2nd Law of Motion (law of acceleration)
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
N*s
Newton (N)
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

9. The rate of the mechanical work done by a force
T
a
Power
Fk

10. Symbol of mass
I = F * t
m
Kinematics
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

11. Quantity of matter contained in an object
Mass
N*s
h
k

12. P
F
symbol for momentum
P
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

13. The study of what causes motion (describes the forces that cause motion)
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
Vector
Kinetics
Force

14. Equation of Power equals Strength times Speed
Force
P = F * v
p = mv
Center of Gravity

15. Symbol of inertia
s
i
T
Linear momentum

16. An interaction between two objects/bodies that change or tend to change their motion (Vector)
I = F * t
Torque
Force
i = F*t

17. Newton's 1st Law of motion (law of inertia)
I = F * t
Mass
Kinetic Energy
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

18. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
m
i
Power
Free Body Diagram

19. Symbol for displacement
s
Newton (N)
Types of friction
T

20. Rearrangement of equation for Power
P
W = F * s
P = F * (s/t)
h

21. Symbol for gravity
g
Uk
P
I = F * t

22. Equation for Kinetic Energy
Uk
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
KE = 1/2 mv^2
Kinematics

23. The spring constant
Normal reaction force
p = mv
F=ma
k

24. Equation for Power
P = (F*s)/t
Vector
Kinetics
W = F * s

25. Resultant force derived from the composition of two or more forces
s
W
Kinetics
Net Force

26. A force acting away from the CoG of a body induces translation AND rotation
I = F * t
Joule (J)
Eccentric Force
Center of Gravity

27. Equation for momentum
p = mv
Types of friction
Free Body Diagram
h

28. The frictional force between two surfaces when there is no movement between the surfaces
Joule (J)
I = F * t
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Static Friction

29. Equation for work
T
P = F * v
F
W = F * s

30. Symbol for Watts
Free Body Diagram
Strain Energy
W
P = F * (s/t)

31. Potential energy due to an objects form
Strain Energy
Scalar
Net Force
Frictional Force

32. SI unit of Force
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Newton (N)
Fk = Uk * R
Frictional Force

33. Symbol for height above ground
Kinetic Energy
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
h
Torque

34. A force acting through the CoG of a body induces translation
Kinetics
Vector
Mechanical energy
concentric force

35. Kinetic energy (KE) and Potential Energy (PE)
Mass
i
Strain Energy
Forms of mechanical energy

36. Coefficient of static friction
Us
p = mv
Eccentric Force
s

37. Symbol of Force
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Force
F
g

38. The energy due to the position that a body occupies relative to the earths surface
P = (F*s)/t
N*s
Torque
Potential Energy

39. Static friction
Inertia
Kinetics
T
Fs

40. Tendency of a body to resist a change in its state of motion
Inertia
Vector
i = F*t
Types of friction

41. The capacity to do mechanical work
k
Mechanical energy
Kinematics
Frictional Force

42. Static - Kinetic - and Rolling
Linear momentum
Types of friction
Fk
Normal reaction force

43. Equation for acceleration
Static Friction
W
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
a = F/m

44. Equation for kinetic friction
W = F * s
Normal reaction force
Fk = Uk * R
Fs

45. SI unit for mechanical energy
Joule (J)
s
Eccentric Force
F

46. Symbol for torque
Potential Energy
Mass
Net Force
T

47. Symbol for power - measured in Watts (W)
P
Impulse
P = F * (s/t)
F=ma

48. Force acting perpendicular to two surfaces in contact
concentric force
Inertia
Normal reaction force
W

49. Equation of impulse
Fs
i = F*t
if an object is at rest or moving with a constant velocity then the forces on it must be...
Eccentric Force

50. Product of mass and linear velocity
Force
SE = 1/2kx^2
Linear momentum
Types of friction