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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. Newton's 3rd Law of Motion (law of reaction)
Forms of mechanical energy
Us
Frictional 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

2. Physical quantity that is completely described by its magnitude (mass - volume - length)
Scalar
Torque
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

3. Equation for kinetic friction
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
Fs
Fk = Uk * R

4. Quantity of matter contained in an object
a
P = F * (s/t)
SE = 1/2kx^2
Mass

5. Kinetic friction
h
Fk
Net Force
Potential Energy

6. Product of mass and linear velocity
I
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
concentric force
Linear momentum

7. Static - Kinetic - and Rolling
p = mv
Linear momentum
F
Types of friction

8. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Force
Linear momentum
Newton (N)
Us

9. The energy a body possesses due to its movement
P = F * (s/t)
Free Body Diagram
Kinetic Energy
Fs

10. Equation of impulse
Fs = Us * R
N*s
Strain Energy
i = F*t

11. 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
P
Newton (N)
Work
Kinetic Energy

12. Symbol for power - measured in Watts (W)
P
Joule (J)
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

13. Equation for Impulse
a = F/m
I = F * 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
KE = 1/2 mv^2

14. Resultant force derived from the composition of two or more forces
Frictional Force
P
Strain Energy
Net Force

15. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
F=ma
i = F*t
Work
Frictional Force

16. Equation of Force
Mass
s
F=ma
Frictional Force

17. The capacity to do mechanical work
Mechanical energy
P = F * v
P = F * (s/t)
m

18. Rotary effect of a force
W
Torque
W = F * s
Kinetics

19. Equation for static friction
Forms of mechanical energy
W = F * s
PE = mgh
Fs = Us * R

20. Coefficient of kinetic friction
F
if an object is at rest or moving with a constant velocity then the forces on it must be...
a = F/m
Uk

21. Symbol of inertia
Us
p = mv
Kinematics
i

22. Kinetic energy (KE) and Potential Energy (PE)
P
Forms of mechanical energy
Kinetic Friction
Fk

23. Symbol for Watts
Normal reaction force
P = F * (s/t)
W
Potential Energy

24. The spring constant
concentric force
symbol for momentum
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
k

25. Coefficient of static friction
T
F
Torque
Us

26. Symbol of Impulse
I
Vector
Impulse
g

27. The frictional force between two surfaces when there is movement between the surfaces
Kinematics
P = (F*s)/t
Kinetic Friction
Inertia

28. Symbol for torque
a = F/m
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
T
Normal reaction force

29. Symbol for gravity
F=ma
g
Normal reaction force
W = F * s

30. SI unit for mechanical energy
SE = 1/2kx^2
if an object is at rest or moving with a constant velocity then the forces on it must be...
Work
Joule (J)

31. P
Center of Gravity
a = F/m
Kinematics
symbol for momentum

32. Symbol of mass
m
Fk
Fs = Us * R
Newton (N)

33. The rate of the mechanical work done by a force
Power
Mechanical energy
F=ma
Uk

34. Product of force X time over which the force acts
Impulse
Normal reaction force
Fk
Static Friction

35. Symbol for displacement
s
h
Net Force
Fs = Us * R

36. Newton's 2nd Law of Motion (law of acceleration)
k
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
a

37. Equation for Power
P = F * v
Kinetic Friction
P = (F*s)/t
a

38. Equation for momentum
KE = 1/2 mv^2
p = mv
Kinetic Friction
s

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

40. Symbol for height above ground
Normal reaction force
T
h
Linear momentum

41. Force acting perpendicular to two surfaces in contact
Free Body Diagram
Frictional Force
Torque
Normal reaction force

42. The study of what causes motion (describes the forces that cause motion)
Kinetics
F
Forms of mechanical energy
W

43. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Center of Gravity
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
F=ma

44. 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
F=ma
Us
Uk

45. Equation for Strain enegy
Uk
P
P = F * v
SE = 1/2kx^2

46. Potential energy due to an objects form
Kinetics
Fk = Uk * R
Kinematics
Strain Energy

47. SI unit of Force
P = F * (s/t)
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
p = mv
Newton (N)

48. Static friction
Mechanical energy
Newton (N)
Fs
T

49. Tendency of a body to resist a change in its state of motion
Eccentric Force
Kinetic Energy
Inertia
Torque

50. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Center of Gravity
Linear momentum
Kinematics
Fk