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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. The spring constant
Mechanical energy
Kinetic Energy
F
k

2. Rearrangement of equation for Power
Potential Energy
p = mv
Force
P = F * (s/t)

3. Newton's 3rd Law of Motion (law of reaction)
a
Newton (N)
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
k

4. Symbol for acceleration
Kinetics
a
Kinetic Energy
P

5. Equation of impulse
i = F*t
W
KE = 1/2 mv^2
Normal reaction force

6. Product of mass and linear velocity
Linear momentum
Newton (N)
Joule (J)
P = (F*s)/t

7. Equation for acceleration
a = F/m
Free Body Diagram
Strain Energy
Static Friction

8. Rotary effect of a force
N*s
Fs = Us * R
Torque
a = F/m

9. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
k
Frictional Force
Normal reaction force
a

10. Symbol for height above ground
Types of friction
Strain Energy
h
I = F * t

11. A force acting away from the CoG of a body induces translation AND rotation
Center of Gravity
Eccentric Force
PE = mgh
Scalar

12. The energy a body possesses due to its movement
Kinetic Energy
Newton (N)
Normal reaction force
Fk

13. Symbol for Watts
W
Work
Frictional Force
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

14. A force acting through the CoG of a body induces translation
concentric force
Types of friction
Fk
g

15. Equation for Strain enegy
Kinetic Friction
SE = 1/2kx^2
Scalar
Power

16. Newton's 1st Law of motion (law of inertia)
Normal reaction force
Work
Frictional Force
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

17. Static - Kinetic - and Rolling
Types of friction
symbol for momentum
T
KE = 1/2 mv^2

18. Equation for kinetic friction
Fk = Uk * R
Kinetic Energy
i
i = F*t

19. Equation for Kinetic Energy
F=ma
Work
KE = 1/2 mv^2
p = mv

20. SI unit of Force
Types of friction
p = mv
Strain Energy
Newton (N)

21. Equation of Force
F=ma
Net Force
Vector
Kinetic Energy

22. Symbol of Force
F
g
Fk
Kinetics

23. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Strain Energy
Newton (N)
Force
h

24. The capacity to do mechanical work
Mechanical energy
Joule (J)
P = (F*s)/t
Linear momentum

25. Equation for Power
P = (F*s)/t
p = mv
Impulse
Frictional Force

26. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Vector
Uk
W
Mechanical energy

27. 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
concentric force
Eccentric Force
k

28. Equation for work
W = F * s
Potential Energy
g
Fk = Uk * R

29. Coefficient of kinetic friction
h
Uk
Us
Net Force

30. Symbol for torque
Torque
T
concentric force
i

31. Symbol of mass
m
F
Kinetic Energy
W = F * s

32. Static friction
P = F * (s/t)
Impulse
SE = 1/2kx^2
Fs

33. The frictional force between two surfaces when there is movement between the surfaces
F=ma
Us
Kinetic Friction
i = F*t

34. Equation for static friction
Center of Gravity
Fs = Us * R
PE = mgh
W

35. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Us
N*s
Kinematics
Newton (N)

36. Equation for Impulse
I = F * t
Static Friction
Kinematics
h

37. SI unit for mechanical energy
Normal reaction force
Joule (J)
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

38. The study of what causes motion (describes the forces that cause motion)
Linear 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
Net Force
Kinetics

39. Symbol for displacement
Kinetic Friction
F=ma
s
W = F * s

40. P
symbol for momentum
Power
a = F/m
Free Body Diagram

41. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Center of Gravity
concentric force
a = F/m
Uk

42. Symbol of Impulse
Types of friction
Free Body Diagram
I
h

43. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
Kinematics
Mass
Free Body Diagram
Linear momentum

44. The rate of the mechanical work done by a force
p = mv
Power
concentric force
Normal reaction force

45. SI unit for impulse
Kinematics
a
W = F * s
N*s

46. Quantity of matter contained in an object
SE = 1/2kx^2
W = F * s
Linear momentum
Mass

47. Equation for Potential Energy
Normal reaction force
PE = mgh
Free Body Diagram
concentric force

48. Equation of Power equals Strength times Speed
P = F * v
Fs
Linear momentum
Vector

49. Tendency of a body to resist a change in its state of motion
s
Kinetics
Normal reaction force
Inertia

50. Kinetic energy (KE) and Potential Energy (PE)
Forms of mechanical energy
Fk
Frictional Force
h