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Mechanical Analysis

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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 of Power equals Strength times Speed
P = F * v
Mechanical energy
I
P

2. Product of mass and linear velocity
W
Linear momentum
symbol for momentum
Fs

3. Symbol for torque
PE = mgh
SE = 1/2kx^2
T
g

4. Symbol of Force
Kinetic Energy
Center of Gravity
Force
F

5. Equation for work
W = F * s
Vector
Fs
Types of friction

6. Quantity of matter contained in an object
Mass
Fk = Uk * R
P = F * v
a = F/m

7. Newton's 2nd Law of Motion (law of acceleration)
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
Kinetic Energy
Uk
Mechanical energy

8. Force acting perpendicular to two surfaces in contact
Normal reaction force
W
Potential Energy
Kinetics

9. The study of what causes motion (describes the forces that cause motion)
g
P = F * (s/t)
W
Kinetics

10. 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
SE = 1/2kx^2
W = F * s
m

11. Rotary effect of a force
KE = 1/2 mv^2
Kinetic Friction
Torque
I = F * t

12. Coefficient of kinetic friction
Net Force
s
Kinetics
Uk

13. SI unit of Force
Frictional Force
symbol for momentum
i
Newton (N)

14. The rate of the mechanical work done by a force
Center of Gravity
Inertia
Power
W = F * s

15. Newton's 3rd Law of Motion (law of reaction)
F=ma
Impulse
Mechanical energy
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

16. Symbol of mass
Torque
p = mv
concentric force
m

17. Equation for static friction
Linear momentum
Fs = Us * R
Newton (N)
P

18. The frictional force between two surfaces when there is movement between the surfaces
F=ma
Kinematics
Inertia
Kinetic Friction

19. Coefficient of static friction
Us
I
F
Types of friction

20. Symbol for acceleration
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
PE = mgh
a
Center of Gravity

21. Kinetic energy (KE) and Potential Energy (PE)
Forms of mechanical energy
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Frictional Force
W = F * s

22. Symbol for gravity
Kinetics
Frictional Force
p = mv
g

23. Static friction
m
Fs
if an object is at rest or moving with a constant velocity then the forces on it must be...
Fk

24. The energy due to the position that a body occupies relative to the earths surface
Static Friction
Potential Energy
Work
Center of Gravity

25. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Power
k
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
Kinematics

26. Equation for Kinetic Energy
concentric force
F=ma
KE = 1/2 mv^2
Us

27. Symbol for height above ground
h
Impulse
Newton (N)
Center of Gravity

28. Equation for momentum
k
Strain Energy
W = F * s
p = mv

29. Symbol for Watts
Joule (J)
Mechanical energy
concentric force
W

30. Equation for Impulse
Joule (J)
I = F * t
h
Us

31. SI unit for impulse
PE = mgh
Kinetic Energy
Mechanical energy
N*s

32. Equation of Force
W = F * s
Net Force
Inertia
F=ma

33. Kinetic friction
Fk
SE = 1/2kx^2
i
Fs = Us * R

34. Static - Kinetic - and Rolling
Types of 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
W = F * s
Normal reaction force

35. The spring constant
k
F
Work
Fk

36. The capacity to do mechanical work
Inertia
Uk
symbol for momentum
Mechanical energy

37. Physical quantity that is completely described by its magnitude (mass - volume - length)
Linear momentum
Static Friction
I = F * t
Scalar

38. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
a = F/m
Free Body Diagram
P = (F*s)/t
F

39. Resultant force derived from the composition of two or more forces
Free Body Diagram
Net Force
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

40. Rearrangement of equation for Power
P = (F*s)/t
Us
P = F * (s/t)
Newton (N)

41. Product of force X time over which the force acts
Work
Impulse
Potential Energy
Center of Gravity

42. Equation for Potential Energy
I
Strain Energy
Net Force
PE = mgh

43. Equation for acceleration
Kinetics
I = F * t
Normal reaction force
a = F/m

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

45. Equation for kinetic friction
Fk = Uk * R
W
Kinetic Energy
Center of Gravity

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

47. SI unit for mechanical energy
Vector
g
Joule (J)
Scalar

48. The frictional force between two surfaces when there is no movement between the surfaces
N*s
if an object is at rest or moving with a constant velocity then the forces on it must be...
Static Friction
Free Body Diagram

49. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Normal reaction force
g
Force
Vector

50. A force acting through the CoG of a body induces translation
concentric force
Inertia
h
Scalar