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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. Equation for kinetic friction
F
Kinematics
Fk = Uk * R
SE = 1/2kx^2

2. Equation for acceleration
Forms of mechanical energy
a
concentric force
a = F/m

3. SI unit for mechanical energy
F
Joule (J)
p = mv
a

4. Coefficient of static friction
Power
Us
symbol for momentum
Free Body Diagram

5. Resultant force derived from the composition of two or more forces
Net Force
N*s
Force
P = F * (s/t)

6. Symbol of Impulse
Eccentric 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
I
concentric force

7. Product of mass and linear velocity
Linear momentum
P = (F*s)/t
F
Impulse

8. Rotary effect of a force
if an object is at rest or moving with a constant velocity then the forces on it must be...
Torque
i
m

9. Equation for Potential Energy
symbol for momentum
PE = mgh
Kinetic Energy
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

10. P
SE = 1/2kx^2
Fs = Us * R
symbol for momentum
F

11. Physical quantity that is completely described by its magnitude (mass - volume - length)
concentric force
Scalar
F=ma
Strain Energy

12. Symbol for displacement
Uk
Scalar
s
m

13. Newton's 3rd Law of Motion (law of reaction)
Power
Vector
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
Fs = Us * R

14. Symbol of Force
Static Friction
F
a = F/m
Fk

15. The study of what causes motion (describes the forces that cause motion)
N*s
F
Kinetics
KE = 1/2 mv^2

16. Equation for work
Strain Energy
k
Forms of mechanical energy
W = F * s

17. The energy a body possesses due to its movement
Forms of mechanical energy
symbol for momentum
P = (F*s)/t
Kinetic Energy

18. Static - Kinetic - and Rolling
Types of friction
symbol for momentum
Fs = Us * R
Kinematics

19. Product of force X time over which the force acts
Impulse
W
P = F * (s/t)
if an object is at rest or moving with a constant velocity then the forces on it must be...

20. The frictional force between two surfaces when there is no movement between the surfaces
Torque
Kinetic Energy
Static Friction
KE = 1/2 mv^2

21. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Center of Gravity
Frictional Force
m
i

22. Equation for Power
Power
P = (F*s)/t
symbol for momentum
Torque

23. Symbol for acceleration
a
KE = 1/2 mv^2
PE = mgh
s

24. Symbol of inertia
Mass
i
P = F * v
W

25. Rearrangement of equation for Power
I = F * t
P = F * (s/t)
Inertia
a = F/m

26. Symbol for height above ground
W = F * s
h
a = F/m
Linear momentum

27. The rate of the mechanical work done by a force
s
Power
a = F/m
KE = 1/2 mv^2

28. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Fs = Us * R
Uk
Torque
Kinematics

29. Symbol for gravity
Kinematics
Free Body Diagram
g
F

30. Symbol for power - measured in Watts (W)
P = (F*s)/t
P
Net Force
Forms of mechanical energy

31. Kinetic friction
Fk
Fs
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
h

32. Force acting perpendicular to two surfaces in contact
Types of friction
Impulse
Work
Normal reaction force

33. The frictional force between two surfaces when there is movement between the surfaces
Joule (J)
if an object is at rest or moving with a constant velocity then the forces on it must be...
Kinetic Friction
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

34. The energy due to the position that a body occupies relative to the earths surface
Joule (J)
i
P = F * v
Potential Energy

35. The spring constant
Linear momentum
k
s
Strain Energy

36. Kinetic energy (KE) and Potential Energy (PE)
Fs = Us * R
Free Body Diagram
Fk
Forms of mechanical energy

37. Potential energy due to an objects form
Fk = Uk * R
W
Strain Energy
P

38. Equation for static friction
Fs = Us * R
i = F*t
Fk
concentric force

39. SI unit for impulse
Mechanical energy
Us
N*s
Kinematics

40. Equation for Impulse
i = F*t
Mechanical energy
Newton (N)
I = F * t

41. Tendency of a body to resist a change in its state of motion
Inertia
concentric force
Scalar
P = F * (s/t)

42. Equation of Force
concentric force
I
F=ma
Power

43. Static friction
Fs
P = (F*s)/t
Normal reaction force
a = F/m

44. Symbol for torque
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
Vector
Linear momentum

45. Symbol of mass
Torque
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
m
P = F * (s/t)

46. Equation for Strain enegy
Mechanical energy
N*s
SE = 1/2kx^2
I

47. zero OR balanced
if an object is at rest or moving with a constant velocity then the forces on it must be...
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Fk
Types of friction

48. Equation for Kinetic Energy
symbol for momentum
Uk
Power
KE = 1/2 mv^2

49. Equation of impulse
Mass
i = F*t
Scalar
k

50. Coefficient of kinetic friction
Power
a = F/m
Joule (J)
Uk