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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 Impulse
I = F * t
Torque
F
P

2. Resultant force derived from the composition of two or more forces
Potential Energy
i = F*t
Net Force
Forms of mechanical energy

3. Symbol for gravity
P = (F*s)/t
g
W = F * s
k

4. Symbol of Force
Frictional Force
Power
F
KE = 1/2 mv^2

5. Equation of impulse
Fs = Us * R
Eccentric Force
i = F*t
Work

6. A force acting away from the CoG of a body induces translation AND rotation
Mechanical energy
Kinetic Friction
Strain Energy
Eccentric Force

7. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Free Body Diagram
k
Vector
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

8. Force acting perpendicular to two surfaces in contact
P = F * v
Kinetics
Normal reaction force
I

9. Equation for Power
F=ma
P = (F*s)/t
Types of friction
N*s

10. An interaction between two objects/bodies that change or tend to change their motion (Vector)
if an object is at rest or moving with a constant velocity then the forces on it must be...
Net Force
Kinetics
Force

11. Symbol for torque
if an object is at rest or moving with a constant velocity then the forces on it must be...
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
T

12. The frictional force between two surfaces when there is no movement between the surfaces
Linear momentum
concentric force
Static Friction
I = F * t

13. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Joule (J)
Kinematics
I
W

14. Symbol of Impulse
Potential Energy
I
F
Mechanical energy

15. SI unit for impulse
T
P
m
N*s

16. Equation for Strain enegy
Uk
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
P = F * (s/t)
SE = 1/2kx^2

17. A force acting through the CoG of a body induces translation
concentric force
W
Force
s

18. Symbol for Watts
i
Kinetic Energy
Newton (N)
W

19. Equation for kinetic friction
Fk = Uk * R
Work
h
Kinetic Friction

20. Tendency of a body to resist a change in its state of motion
Mechanical energy
Kinetic Energy
Inertia
W = F * s

21. 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
KE = 1/2 mv^2
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
Work
Torque

22. Equation for acceleration
Work
Force
I = F * t
a = F/m

23. Quantity of matter contained in an object
Fs
Mass
Kinetic Energy
Net Force

24. Coefficient of static friction
Us
Torque
Forms of mechanical energy
Work

25. Newton's 2nd Law of Motion (law of acceleration)
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
a = F/m
P

26. Coefficient of kinetic friction
Frictional Force
KE = 1/2 mv^2
Uk
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

27. Kinetic energy (KE) and Potential Energy (PE)
Net Force
KE = 1/2 mv^2
Joule (J)
Forms of mechanical energy

28. The study of what causes motion (describes the forces that cause motion)
Kinetic Energy
Uk
Center of Gravity
Kinetics

29. Equation for momentum
Scalar
p = mv
Mechanical energy
Types of friction

30. Product of force X time over which the force acts
Scalar
i = F*t
Impulse
P

31. Symbol of mass
Kinematics
W
F=ma
m

32. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
Power
Free Body Diagram
Kinetic Energy
k

33. Symbol of inertia
i = F*t
m
if an object is at rest or moving with a constant velocity then the forces on it must be...
i

34. SI unit for mechanical energy
m
Newton (N)
Joule (J)
F=ma

35. Newton's 1st Law of motion (law of inertia)
Static Friction
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Eccentric Force
Vector

36. Equation of Force
Strain Energy
F=ma
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

37. The spring constant
Forms of mechanical energy
k
Frictional Force
Fk = Uk * R

38. zero OR balanced
if an object is at rest or moving with a constant velocity then the forces on it must be...
Potential Energy
KE = 1/2 mv^2
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 static friction
W = F * s
a
Fs = Us * R
m

40. Rotary effect of a force
h
I
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

41. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Kinetics
Linear momentum
Force
Center of Gravity

42. Symbol for 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
Force
a
Newton (N)

43. Equation for Kinetic Energy
KE = 1/2 mv^2
Work
i
I = F * t

44. The capacity to do mechanical work
Joule (J)
Fk = Uk * R
Mechanical energy
Types of friction

45. The frictional force between two surfaces when there is movement between the surfaces
Impulse
Mechanical energy
Fs = Us * R
Kinetic Friction

46. The energy due to the position that a body occupies relative to the earths surface
Potential Energy
Linear momentum
KE = 1/2 mv^2
Types of friction

47. Symbol for displacement
Center of Gravity
Scalar
s
I

48. Rearrangement of equation for Power
Potential Energy
Normal reaction force
P = F * (s/t)
Linear momentum

49. Product of mass and linear velocity
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=ma
P = F * v
Linear momentum

50. The energy a body possesses due to its movement
N*s
Torque
Kinetic Energy
Fs