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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
k
g
P = F * v
a

2. Coefficient of static friction
N*s
Newton (N)
T
Us

3. Equation for Potential Energy
a
Fs = Us * R
Vector
PE = mgh

4. Symbol for displacement
a = F/m
s
P
Us

5. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Kinematics
h
Newton (N)
W = F * s

6. Newton's 1st Law of motion (law of inertia)
Kinetic Energy
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Work
Free Body Diagram

7. Symbol for torque
m
k
T
p = mv

8. Newton's 2nd Law of Motion (law of acceleration)
Fk = Uk * R
P = (F*s)/t
Fs
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. Symbol of Impulse
W = F * s
I
F
a

10. Symbol of mass
m
Linear momentum
Scalar
Fs

11. 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
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
W = F * s
i = F*t

12. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Force
W
i
Vector

13. The study of what causes motion (describes the forces that cause motion)
Kinetics
Kinetic Friction
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
I = F * t

14. A force acting away from the CoG of a body induces translation AND rotation
Vector
i = F*t
Eccentric Force
P = (F*s)/t

15. Equation for Impulse
I = F * t
concentric 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
Center of Gravity

16. The frictional force between two surfaces when there is no movement between the surfaces
Inertia
Static Friction
PE = mgh
Torque

17. Equation for momentum
Newton (N)
KE = 1/2 mv^2
Us
p = mv

18. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Work
Frictional Force
Torque
Force

19. Symbol of Force
Fs = Us * R
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Newton (N)
F

20. SI unit for mechanical energy
P = (F*s)/t
Center of Gravity
Joule (J)
T

21. Equation for Kinetic Energy
P = F * v
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
KE = 1/2 mv^2

22. Coefficient of kinetic friction
P = F * (s/t)
Mechanical energy
Uk
Fk

23. Rearrangement of equation for Power
T
a = F/m
P = F * (s/t)
Linear momentum

24. Equation for static friction
s
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
Fs = Us * R
Mass

25. Kinetic friction
Inertia
s
Fk
Types of friction

26. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
Forms of mechanical energy
Free Body Diagram
Force
m

27. Symbol for Watts
concentric force
Torque
Kinematics
W

28. Equation for Strain enegy
KE = 1/2 mv^2
Torque
Uk
SE = 1/2kx^2

29. Equation of Power equals Strength times Speed
N*s
g
P = F * v
Impulse

30. The capacity to do mechanical work
Newton (N)
symbol for momentum
m
Mechanical energy

31. Equation for kinetic friction
SE = 1/2kx^2
PE = mgh
Fk = Uk * R
Kinetic Friction

32. Product of force X time over which the force acts
symbol for momentum
Impulse
Kinetics
W = F * s

33. Quantity of matter contained in an object
Fs = Us * R
Mass
Work
Linear momentum

34. Static friction
Forms of mechanical energy
Work
Eccentric Force
Fs

35. P
s
symbol for momentum
I
Strain Energy

36. Product of mass and linear velocity
Linear momentum
s
Center of Gravity
Fs

37. The energy a body possesses due to its movement
Kinetic Energy
Net Force
Fk = Uk * R
Strain Energy

38. Static - Kinetic - and Rolling
i
P = F * (s/t)
Types of friction
F=ma

39. Tendency of a body to resist a change in its state of motion
Inertia
i = F*t
Forms of mechanical energy
k

40. Symbol for height above ground
Kinetic 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
h
i

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

42. Symbol for power - measured in Watts (W)
Fs
KE = 1/2 mv^2
P
Potential Energy

43. zero OR balanced
symbol for momentum
if an object is at rest or moving with a constant velocity then the forces on it must be...
k
Normal reaction force

44. The rate of the mechanical work done by a force
Power
P = F * v
s
Types of friction

45. Physical quantity that is completely described by its magnitude (mass - volume - length)
g
Scalar
Uk
concentric force

46. Equation for acceleration
a = F/m
F=ma
p = mv
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

47. Force acting perpendicular to two surfaces in contact
Vector
Normal reaction force
i = F*t
Power

48. SI unit for impulse
Strain Energy
Mechanical energy
N*s
W

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

50. Equation for work
a
h
W = F * s
I