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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 momentum
m
p = mv
concentric force
Work

2. zero OR balanced
Kinematics
if an object is at rest or moving with a constant velocity then the forces on it must be...
Mechanical energy
Us

3. Product of force X time over which the force acts
Net Force
Fk = Uk * R
Impulse
PE = mgh

4. Equation for static friction
Joule (J)
Fs = Us * R
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

5. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
Frictional Force
Center of Gravity
Torque
Joule (J)

6. The study of what causes motion (describes the forces that cause motion)
W
Kinetics
F
P = F * (s/t)

7. Resultant force derived from the composition of two or more forces
Net Force
F
p = mv
Kinetic Energy

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
i
g
Work
Center of Gravity

9. Equation for Impulse
SE = 1/2kx^2
I = F * t
Forms of mechanical energy
P = F * v

10. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Center of Gravity
a = F/m
Force
T

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

12. Physical quantity that is completely described by its magnitude (mass - volume - length)
i = F*t
Fk
Kinetic Friction
Scalar

13. Symbol of Force
Static Friction
Vector
Power
F

14. P
Joule (J)
a = F/m
PE = mgh
symbol for momentum

15. The spring constant
a = F/m
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
Static Friction
k

16. Equation for Strain enegy
Fk = Uk * R
F=ma
SE = 1/2kx^2
P = F * v

17. A force acting through the CoG of a body induces translation
Net Force
N*s
Mechanical energy
concentric force

18. Rearrangement of equation for Power
P = F * (s/t)
Power
Fk = Uk * R
p = mv

19. The frictional force between two surfaces when there is no movement between the surfaces
Fk
Linear momentum
F=ma
Static Friction

20. Rotary effect of a force
Torque
F=ma
Mechanical energy
Frictional Force

21. Product of mass and linear velocity
Linear momentum
m
Forms of mechanical energy
Impulse

22. An interaction between two objects/bodies that change or tend to change their motion (Vector)
p = mv
Static Friction
W
Force

23. Static - Kinetic - and Rolling
a
Types of friction
T
m

24. Kinetic friction
P
KE = 1/2 mv^2
Fk
Center of Gravity

25. Symbol for displacement
Net Force
s
a
Forms of mechanical energy

26. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Torque
T
Vector
Eccentric Force

27. Newton's 2nd Law of Motion (law of acceleration)
I = F * 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
Scalar
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

28. Equation for Power
P
Power
P = (F*s)/t
Kinematics

29. The rate of the mechanical work done by a force
Joule (J)
Power
P = F * (s/t)
Static Friction

30. The energy a body possesses due to its movement
Fk = Uk * R
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Kinetic Energy
Fs

31. Static friction
F=ma
Torque
Fs
Force

32. Equation for work
W = F * s
a = F/m
P
Fs

33. Equation for Kinetic Energy
Center of Gravity
Types of friction
KE = 1/2 mv^2
Free Body Diagram

34. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
i = F*t
Uk
Kinematics
Mass

35. Coefficient of static friction
Normal reaction force
Us
Mass
Mechanical energy

36. Quantity of matter contained in an object
Force
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
Mass
P = (F*s)/t

37. Symbol for Watts
P = F * (s/t)
Impulse
W
Vector

38. SI unit for mechanical energy
Power
Joule (J)
a = F/m
I = F * t

39. Equation for kinetic friction
Fk = Uk * R
Us
T
Kinetic Friction

40. Tendency of a body to resist a change in its state of motion
F
Uk
symbol for momentum
Inertia

41. Equation for Potential Energy
concentric force
Vector
PE = mgh
Forms of mechanical energy

42. Kinetic energy (KE) and Potential Energy (PE)
Forms of mechanical energy
i = F*t
Mechanical energy
symbol for momentum

43. Equation of Force
KE = 1/2 mv^2
Impulse
F=ma
Work

44. Potential energy due to an objects form
Strain Energy
Mass
Fs
symbol for momentum

45. Symbol for height above ground
Torque
PE = mgh
T
h

46. Symbol of Impulse
Joule (J)
Fs = Us * R
Free Body Diagram
I

47. Newton's 3rd Law of Motion (law of reaction)
i
Center of Gravity
Kinematics
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

48. SI unit for impulse
N*s
Mass
h
P = F * (s/t)

49. Symbol for power - measured in Watts (W)
h
Fk
P
Mechanical energy

50. Equation for acceleration
Fk
h
Work
a = F/m