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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. Coefficient of kinetic friction
Free Body Diagram
Forms of mechanical energy
N*s
Uk

2. P
Kinetics
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
N*s
symbol for momentum

3. SI unit for impulse
N*s
Mass
g
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

4. 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
Work
Mechanical energy
Uk
Strain Energy

5. Product of force X time over which the force acts
Fs = Us * R
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
F
Impulse

6. The study of what causes motion (describes the forces that cause motion)
Kinetics
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 * v
i = F*t

7. Equation of Force
Fk = Uk * R
F=ma
i = F*t
Kinetics

8. Equation for work
Types of friction
P = (F*s)/t
Fs
W = F * s

9. The energy due to the position that a body occupies relative to the earths surface
SE = 1/2kx^2
Potential Energy
m
Work

10. Product of mass and linear velocity
Linear momentum
s
SE = 1/2kx^2
Net Force

11. Kinetic energy (KE) and Potential Energy (PE)
PE = mgh
concentric force
Free Body Diagram
Forms of mechanical energy

12. Resultant force derived from the composition of two or more forces
Net Force
concentric force
Newton (N)
Power

13. Equation for kinetic friction
Us
P = F * (s/t)
Fk = Uk * R
Inertia

14. Quantity of matter contained in an object
i = F*t
I
Mass
Types of friction

15. Symbol of mass
Net Force
Eccentric Force
k
m

16. SI unit of Force
F=ma
Newton (N)
P
concentric force

17. Rearrangement of equation for Power
I = F * t
PE = mgh
Fs
P = F * (s/t)

18. Coefficient of static friction
P = (F*s)/t
a = F/m
Us
Fs = Us * R

19. Newton's 2nd Law of Motion (law of acceleration)
I = F * t
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
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
Work

20. Equation for acceleration
k
Mechanical energy
g
a = F/m

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

22. Equation for Impulse
T
Kinematics
a = F/m
I = F * t

23. Equation of impulse
W
symbol for momentum
i = F*t
Types of friction

24. Symbol for torque
Power
Free Body Diagram
T
if an object is at rest or moving with a constant velocity then the forces on it must be...

25. Tendency of a body to resist a change in its state of motion
a
Vector
Inertia
Force

26. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Kinetic Friction
Center of Gravity
I
Eccentric Force

27. The energy a body possesses due to its movement
Kinetic Energy
Us
Fs = Us * R
F=ma

28. Symbol for displacement
s
k
a = F/m
Fs = Us * R

29. Potential energy due to an objects form
W
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
PE = mgh
Strain Energy

30. Equation for momentum
Linear momentum
Inertia
Potential Energy
p = mv

31. Symbol for height above ground
Free Body Diagram
Mass
h
k

32. Rotary effect of a force
I
symbol for momentum
KE = 1/2 mv^2
Torque

33. The frictional force between two surfaces when there is movement between the surfaces
Kinetic Energy
Us
a = F/m
Kinetic Friction

34. Newton's 1st Law of motion (law of inertia)
Potential Energy
s
m
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

35. An interaction between two objects/bodies that change or tend to change their motion (Vector)
P = (F*s)/t
Force
Fk
Inertia

36. A force acting through the CoG of a body induces translation
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
symbol for momentum
concentric force
I

37. Newton's 3rd Law of Motion (law of reaction)
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
W = F * s
Center of Gravity
Newton (N)

38. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
P
Mechanical energy
Vector
F

39. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Kinematics
Force
concentric force
Mass

40. The capacity to do mechanical work
Fk = Uk * R
Mechanical energy
symbol for momentum
F

41. Equation for Power
Fs = Us * R
P = (F*s)/t
I = F * t
Mass

42. Equation for Kinetic Energy
Fs = Us * R
Forms of mechanical energy
KE = 1/2 mv^2
Eccentric Force

43. Symbol of inertia
Frictional Force
Kinetic Energy
KE = 1/2 mv^2
i

44. Static - Kinetic - and Rolling
Types of friction
symbol for momentum
Torque
P

45. Symbol for acceleration
Us
m
a
Potential Energy

46. Force acting perpendicular to two surfaces in contact
i = F*t
Normal reaction force
KE = 1/2 mv^2
Linear momentum

47. Equation for Potential Energy
h
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
PE = mgh
Strain Energy

48. Symbol for power - measured in Watts (W)
P
Force
h
Kinetic Energy

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

50. zero OR balanced
if an object is at rest or moving with a constant velocity then the forces on it must be...
I
Newton (N)
s