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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. A force acting through the CoG of a body induces translation
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Potential Energy
concentric force
symbol for momentum

2. Static friction
Fk
W
Fs = Us * R
Fs

3. Symbol for power - measured in Watts (W)
P
Uk
s
Vector

4. Equation for work
W = F * s
Force
Kinetic Friction
concentric force

5. Symbol for height above ground
h
Kinetics
Kinetic Energy
a = F/m

6. Product of mass and linear velocity
PE = mgh
a = F/m
Forms of mechanical energy
Linear momentum

7. Equation for Power
Work
Normal reaction force
a = F/m
P = (F*s)/t

8. 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
T
F=ma
P
Work

9. Symbol for acceleration
Kinematics
P = F * v
a
Fs

10. Kinetic friction
Fk
I = F * t
k
Static Friction

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

12. Symbol of Impulse
Kinetic Friction
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
I
I = F * t

13. Equation of Force
Mechanical energy
Scalar
Static Friction
F=ma

14. Symbol of Force
F
Kinetic Friction
p = mv
T

15. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
Torque
a
T
Free Body Diagram

16. The energy a body possesses due to its movement
i = F*t
a = F/m
Kinetic Energy
concentric force

17. Symbol for gravity
Types of friction
Potential Energy
g
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

18. Symbol of inertia
Fs = Us * R
i
Net Force
Power

19. Symbol for torque
Impulse
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
Mechanical energy

20. Symbol for displacement
I
s
Impulse
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

21. Potential energy due to an objects form
P = F * v
Strain Energy
s
I

22. Equation of impulse
i = F*t
s
g
N*s

23. Equation for Impulse
T
Fs
Uk
I = F * t

24. Static - Kinetic - and Rolling
Joule (J)
Fs = Us * R
Types of friction
P = (F*s)/t

25. Equation for momentum
Kinetic Friction
Kinetic Energy
p = mv
Force

26. Product of force X time over which the force acts
a
Eccentric Force
Impulse
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

27. SI unit for impulse
SE = 1/2kx^2
Impulse
N*s
if an object is at rest or moving with a constant velocity then the forces on it must be...

28. Coefficient of kinetic friction
Uk
F
Torque
Static Friction

29. zero OR balanced
if an object is at rest or moving with a constant velocity then the forces on it must be...
F
P = (F*s)/t
SE = 1/2kx^2

30. Resultant force derived from the composition of two or more forces
k
Normal reaction force
Fs
Net Force

31. Quantity of matter contained in an object
Impulse
Mass
Kinetic Friction
i

32. Equation for Kinetic Energy
KE = 1/2 mv^2
Fs = Us * R
a
Power

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

34. Physical quantity that is completely described by its magnitude (mass - volume - length)
P = F * v
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Scalar
P

35. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
W
Kinematics
m

36. Equation for Strain enegy
Vector
Linear momentum
Force
SE = 1/2kx^2

37. Coefficient of static friction
Us
Strain Energy
if an object is at rest or moving with a constant velocity then the forces on it must be...
P = F * (s/t)

38. A force acting away from the CoG of a body induces translation AND rotation
Eccentric Force
W = F * s
Types of friction
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

39. Newton's 2nd Law of Motion (law of acceleration)
Newton (N)
Power
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

40. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
Strain Energy
concentric force
Inertia
Frictional Force

41. Tendency of a body to resist a change in its state of motion
Vector
h
Newton (N)
Inertia

42. Symbol of mass
Scalar
m
i = F*t
Kinetics

43. Rotary effect of a force
Torque
Uk
Free Body Diagram
P = F * v

44. SI unit of Force
Scalar
Newton (N)
a = F/m
Us

45. P
symbol for momentum
a
Torque
W

46. Rearrangement of equation for Power
P = F * (s/t)
Fk = Uk * R
Us
Potential Energy

47. The rate of the mechanical work done by a force
Power
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
N*s
SE = 1/2kx^2

48. Equation of Power equals Strength times Speed
P = F * v
Kinetic Energy
P
Uk

49. SI unit for mechanical energy
m
P = F * v
Joule (J)
Kinematics

50. The study of what causes motion (describes the forces that cause motion)
m
p = mv
Kinetics
P = F * (s/t)