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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. SI unit for impulse
if an object is at rest or moving with a constant velocity then the forces on it must be...
Kinematics
N*s
Potential Energy

2. The energy due to the position that a body occupies relative to the earths surface
m
Potential Energy
Power
N*s

3. Force acting perpendicular to two surfaces in contact
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
g
Normal reaction force
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

4. Symbol of mass
P
m
Types of friction
Kinetics

5. Symbol for torque
Fk = Uk * R
Inertia
T
Fs = Us * R

6. Equation for Power
Free Body Diagram
Torque
P = (F*s)/t
KE = 1/2 mv^2

7. Equation for Impulse
I = F * t
Force
Frictional Force
Inertia

8. Coefficient of static friction
Vector
Us
Kinetics
Force

9. Product of force X time over which the force acts
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Impulse
i
Free Body Diagram

10. 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
KE = 1/2 mv^2
concentric force
k

11. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Kinematics
i
Normal reaction force
Kinetic Friction

12. Symbol for height above ground
Free Body Diagram
h
Work
Impulse

13. Symbol for displacement
F
P = (F*s)/t
s
Forms of mechanical energy

14. Resultant force derived from the composition of two or more forces
Impulse
h
Frictional Force
Net Force

15. Symbol of Force
KE = 1/2 mv^2
F
i = F*t
Us

16. Equation of Power equals Strength times Speed
P = F * v
Kinematics
Normal reaction force
Eccentric Force

17. Kinetic energy (KE) and Potential Energy (PE)
Inertia
Types of friction
Forms of mechanical energy
Kinetics

18. Physical quantity that is completely described by its magnitude (mass - volume - length)
a
g
Scalar
Uk

19. Static - Kinetic - and Rolling
i
W
Types of friction
Force

20. 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
Joule (J)
I = F * t
W = F * s

21. Equation for momentum
I = F * t
Static Friction
Net Force
p = mv

22. The frictional force between two surfaces when there is movement between the surfaces
P = (F*s)/t
Fs = Us * R
Kinetic Friction
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

23. The rate of the mechanical work done by a force
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
k
Free Body Diagram
Power

24. Equation for static friction
Fs = Us * R
Net Force
Normal reaction force
i

25. Symbol for gravity
Kinetic Energy
Frictional Force
Impulse
g

26. Symbol for acceleration
Types of friction
i
Kinematics
a

27. A force acting through the CoG of a body induces translation
Newton (N)
concentric force
i
Inertia

28. SI unit of Force
Newton (N)
Strain Energy
symbol for momentum
W

29. The energy a body possesses due to its movement
Kinetic Energy
if an object is at rest or moving with a constant velocity then the forces on it must be...
Work
Fk = Uk * R

30. Symbol of inertia
Impulse
I = F * t
i
Mass

31. Equation for work
W = F * s
F=ma
Kinetics
m

32. Equation for Kinetic Energy
m
N*s
Scalar
KE = 1/2 mv^2

33. Quantity of matter contained in an object
Fk = Uk * R
Mass
Net Force
g

34. Symbol of Impulse
Inertia
I
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Work

35. Point around which a body's weight is equally balanced - no matter how the body is positioned.
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
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Center of Gravity

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

37. zero OR balanced
if an object is at rest or moving with a constant velocity then the forces on it must be...
Frictional Force
T
Power

38. The study of what causes motion (describes the forces that cause motion)
Kinetics
P = F * (s/t)
Us
p = mv

39. Kinetic friction
Static Friction
Uk
Inertia
Fk

40. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
p = mv
Newton (N)
I = F * t
Free Body Diagram

41. The capacity to do mechanical work
Joule (J)
Mechanical energy
Uk
Linear momentum

42. Newton's 3rd Law of Motion (law of reaction)
Fs = Us * R
Fs
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
Fk = Uk * R

43. Symbol for power - measured in Watts (W)
P
Fk
i = F*t
Potential Energy

44. Tendency of a body to resist a change in its state of motion
Inertia
Joule (J)
Linear momentum
Center of Gravity

45. SI unit for mechanical energy
Torque
symbol for momentum
Center of Gravity
Joule (J)

46. Equation of Force
symbol for momentum
P
P = (F*s)/t
F=ma

47. P
Frictional Force
symbol for momentum
i = F*t
k

48. Rearrangement of equation for Power
P = F * (s/t)
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
Frictional Force
s

49. Equation of impulse
i = F*t
Newton (N)
Frictional Force
P = (F*s)/t

50. Symbol for Watts
W
Joule (J)
Center of Gravity
concentric force