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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 power - measured in Watts (W)
s
Inertia
Torque
P

2. 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
Frictional Force
Work
N*s
Potential Energy

3. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
Kinetic Friction
Mechanical energy
Frictional Force
k

4. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Potential Energy
Center of Gravity
Fk
Kinematics

5. A force acting through the CoG of a body induces translation
concentric force
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
F
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

6. Symbol of mass
m
P = F * v
I = F * t
Uk

7. Equation for Impulse
Free Body Diagram
I = F * t
Work
Types of friction

8. Newton's 2nd Law of Motion (law of acceleration)
W
Forms of mechanical energy
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
Work

9. Product of force X time over which the force acts
Impulse
Mechanical energy
P = F * (s/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

10. The capacity to do mechanical work
Fk
T
concentric force
Mechanical energy

11. Rotary effect of a force
P
Net Force
SE = 1/2kx^2
Torque

12. Equation for Power
P = (F*s)/t
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Forms of mechanical energy
I = F * t

13. Equation of Force
F=ma
Newton (N)
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

14. Symbol for gravity
Work
g
Scalar
a

15. Product of mass and linear velocity
T
Linear momentum
Frictional Force
p = mv

16. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
if an object is at rest or moving with a constant velocity then the forces on it must be...
Work
Potential Energy
Kinematics

17. Symbol for displacement
W = F * s
Fs
s
Fk = Uk * R

18. Newton's 1st Law of motion (law of inertia)
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
Normal reaction force
W = F * s
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

19. SI unit of Force
Newton (N)
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Linear momentum
Free Body Diagram

20. Quantity of matter contained in an object
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
Mass
Impulse

21. The spring constant
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
Linear momentum
k

22. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Power
Vector
T
Fs

23. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
Free Body Diagram
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
Scalar
Center of Gravity

24. Resultant force derived from the composition of two or more forces
p = mv
Net Force
F=ma
P = (F*s)/t

25. Tendency of a body to resist a change in its state of motion
Inertia
Uk
Fs = Us * R
Types of friction

26. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Net Force
W
Kinetic Friction
Force

27. The energy due to the position that a body occupies relative to the earths surface
T
W
Potential Energy
Kinetic Energy

28. Coefficient of kinetic friction
if an object is at rest or moving with a constant velocity then the forces on it must be...
Static Friction
Work
Uk

29. Equation for Potential Energy
i
symbol for momentum
PE = mgh
s

30. Symbol of inertia
KE = 1/2 mv^2
i
a
SE = 1/2kx^2

31. Symbol for Watts
i
Free Body Diagram
W
Normal reaction force

32. Static friction
Vector
Fs
Eccentric Force
Strain Energy

33. Symbol of Force
PE = mgh
F
Vector
Newton (N)

34. zero OR balanced
if an object is at rest or moving with a constant velocity then the forces on it must be...
symbol for momentum
Frictional Force
Free Body Diagram

35. Symbol for acceleration
i = F*t
Kinetics
a
Force

36. The energy a body possesses due to its movement
Center of Gravity
s
Mechanical energy
Kinetic Energy

37. Symbol for torque
T
Us
m
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force

38. The rate of the mechanical work done by a force
Power
a
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

39. Equation for work
Types of friction
W = F * s
if an object is at rest or moving with a constant velocity then the forces on it must be...
Work

40. Equation for Kinetic Energy
concentric force
KE = 1/2 mv^2
Uk
Joule (J)

41. P
Normal reaction force
Eccentric Force
symbol for 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

42. The frictional force between two surfaces when there is no movement between the surfaces
I = F * t
Static Friction
Power
m

43. Equation for momentum
P = (F*s)/t
p = mv
m
W = F * s

44. Symbol for height above ground
i
Fk
h
Kinetic Energy

45. Equation of Power equals Strength times Speed
W
Vector
P = F * v
Scalar

46. The frictional force between two surfaces when there is movement between the surfaces
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
Kinetic Energy
Kinetic Friction
Us

47. Equation for Strain enegy
Torque
Fs
SE = 1/2kx^2
F

48. Equation of impulse
i = F*t
Fk
W
F

49. Potential energy due to an objects form
Static Friction
Power
Strain Energy
g

50. Newton's 3rd Law of Motion (law of reaction)
h
Impulse
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
Fk