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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. Symbol for displacement
Fk = Uk * R
g
KE = 1/2 mv^2
s

2. Symbol of mass
m
Uk
h
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

3. Symbol for gravity
Fs = Us * R
g
Work
Fk

4. Quantity of matter contained in an object
Mass
Strain Energy
Force
Impulse

5. Symbol for torque
T
P = (F*s)/t
Mass
i = F*t

6. Rearrangement of equation for Power
i
P = F * (s/t)
P
i = F*t

7. Force acting perpendicular to two surfaces in contact
Normal reaction force
Free Body Diagram
symbol for momentum
h

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

9. Product of mass and linear velocity
W = F * s
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Linear momentum
Net Force

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

11. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
P = F * v
Free Body Diagram
I
Newton (N)

12. The rate of the mechanical work done by a force
Mass
SE = 1/2kx^2
Torque
Power

13. Static friction
Fs
SE = 1/2kx^2
Linear momentum
s

14. The study of what causes motion (describes the forces that cause motion)
i
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
Kinetics
Us

15. Tendency of a body to resist a change in its state of motion
P = (F*s)/t
Linear momentum
Kinetic Friction
Inertia

16. Resultant force derived from the composition of two or more forces
I
Torque
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

17. Equation for Impulse
Normal reaction force
I = F * t
P = F * (s/t)
Impulse

18. Newton's 2nd Law of Motion (law of acceleration)
if an object is at rest or moving with a constant velocity then the forces on it must be...
i = F*t
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
F

19. Symbol for power - measured in Watts (W)
a = F/m
Eccentric Force
P
Net Force

20. Equation for Power
Uk
T
Joule (J)
P = (F*s)/t

21. Equation of Power equals Strength times Speed
s
Static Friction
P = F * v
Mechanical energy

22. Symbol of inertia
Fs = Us * R
i
concentric force
T

23. The frictional force between two surfaces when there is no movement between the surfaces
PE = mgh
Kinetic Energy
Static Friction
h

24. Equation for Strain enegy
Inertia
SE = 1/2kx^2
Fs = Us * R
Torque

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

26. Newton's 1st Law of motion (law of inertia)
F
Forms of mechanical energy
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
s

27. Coefficient of kinetic friction
PE = mgh
Types of friction
Uk
Frictional Force

28. Equation for kinetic friction
Uk
Fk = Uk * R
P = F * v
Eccentric Force

29. The energy due to the position that a body occupies relative to the earths surface
Fk = Uk * R
s
Potential Energy
Kinetic Friction

30. The energy a body possesses due to its movement
Kinetic Energy
Eccentric Force
Mechanical energy
Potential Energy

31. SI unit for mechanical energy
Joule (J)
Newton (N)
Normal reaction force
Fk

32. Equation for Potential Energy
g
PE = mgh
s
W = F * s

33. The spring constant
Us
Kinetic Energy
k
Fk

34. Equation for static friction
i = F*t
Newton (N)
Kinetic Energy
Fs = Us * R

35. Potential energy due to an objects form
Strain Energy
Us
W = F * s
Center of Gravity

36. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Fs = Us * R
m
Scalar
Center of Gravity

37. Equation for acceleration
Kinetic Friction
a
a = F/m
Joule (J)

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

39. Equation for Kinetic Energy
KE = 1/2 mv^2
Mechanical energy
Kinematics
a = F/m

40. Kinetic energy (KE) and Potential Energy (PE)
Joule (J)
Kinematics
Fs = Us * R
Forms of mechanical energy

41. The capacity to do mechanical work
Mechanical energy
P = F * v
Strain Energy
Net Force

42. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Us
Vector
Newton (N)
Frictional Force

43. Coefficient of static friction
Us
a
W
p = mv

44. SI unit for impulse
N*s
a = F/m
concentric force
Impulse

45. Static - Kinetic - and Rolling
Center of Gravity
Static Friction
Fk
Types of friction

46. Symbol for Watts
Linear momentum
Us
W
a

47. Symbol for acceleration
Linear momentum
Normal reaction force
a
h

48. The frictional force between two surfaces when there is movement between the surfaces
Kinetic Friction
Mechanical energy
W
a = F/m

49. Symbol of Force
SE = 1/2kx^2
Static Friction
Forms of mechanical energy
F

50. Equation of Force
Fk
F=ma
Fs = Us * R
m