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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. Tendency of a body to resist a change in its state of motion
Fk
Inertia
W = F * s
F

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

3. Rearrangement of equation for Power
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
g
if an object is at rest or moving with a constant velocity then the forces on it must be...

4. P
W
p = mv
Power
symbol for momentum

5. Symbol for power - measured in Watts (W)
P
F=ma
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
Fk

6. Symbol for displacement
s
F
Vector
Kinetic Friction

7. Equation for acceleration
Newton (N)
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
a
a = F/m

8. Newton's 3rd Law of Motion (law of reaction)
Net 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
Normal reaction force
KE = 1/2 mv^2

9. Equation for momentum
Newton (N)
Static Friction
Linear momentum
p = mv

10. Symbol for height above ground
Strain Energy
Types of friction
Potential Energy
h

11. Resultant force derived from the composition of two or more forces
Impulse
Center of Gravity
Fk = Uk * R
Net Force

12. The capacity to do mechanical work
Force
W
Mechanical energy
KE = 1/2 mv^2

13. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Vector
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
SE = 1/2kx^2
Net Force

14. Coefficient of kinetic friction
Center of Gravity
Kinematics
Inertia
Uk

15. Equation for Impulse
I = F * t
Linear momentum
F=ma
Kinetic Energy

16. A force acting away from the CoG of a body induces translation AND rotation
N*s
Uk
Normal reaction force
Eccentric Force

17. Equation of Force
P = F * v
W
F=ma
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

18. Physical quantity that is completely described by its magnitude (mass - volume - length)
Scalar
Kinetic Energy
h
Us

19. Symbol for Watts
N*s
Frictional Force
W
Potential Energy

20. Kinetic energy (KE) and Potential Energy (PE)
h
Forms of mechanical energy
Static Friction
Power

21. Equation for work
Mechanical energy
W = F * s
F=ma
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

22. Rotary effect of a force
P = (F*s)/t
concentric force
Torque
Mass

23. Force acting perpendicular to two surfaces in contact
Kinetics
Normal reaction force
m
Linear momentum

24. The energy due to the position that a body occupies relative to the earths surface
Uk
Potential Energy
Fk = Uk * R
I = F * t

25. Symbol of mass
Impulse
m
KE = 1/2 mv^2
Fs

26. The frictional force between two surfaces when there is no movement between the surfaces
Static Friction
a = F/m
Inertia
SE = 1/2kx^2

27. Equation for Power
Fk = Uk * R
F=ma
P = (F*s)/t
if an object is at rest or moving with a constant velocity then the forces on it must be...

28. Kinetic friction
Normal reaction force
Fk
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
i

29. Equation of Power equals Strength times Speed
k
Net Force
Strain Energy
P = F * v

30. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Force
m
p = mv
Fk

31. SI unit for impulse
W
Linear momentum
N*s
concentric force

32. SI unit of Force
a = F/m
i = F*t
Newton (N)
h

33. The energy a body possesses due to its movement
I
Kinetic Energy
Normal reaction force
Net Force

34. Symbol for torque
F=ma
T
s
N*s

35. Equation for Kinetic Energy
Fk = Uk * R
KE = 1/2 mv^2
Fk
h

36. Product of mass and linear velocity
Net Force
I
Linear momentum
P = (F*s)/t

37. Equation of impulse
P = (F*s)/t
i = F*t
P
Static Friction

38. Symbol for gravity
W
g
Fs = Us * R
N*s

39. Coefficient of static friction
Impulse
Net Force
p = mv
Us

40. Equation for Strain enegy
concentric force
Kinetic Energy
P = (F*s)/t
SE = 1/2kx^2

41. The rate of the mechanical work done by a force
Fs = Us * R
P = F * (s/t)
Power
k

42. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
P = F * (s/t)
Frictional Force
p = mv
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

43. Static - Kinetic - and Rolling
Forms of mechanical energy
Newton (N)
Net Force
Types of friction

44. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
Work
Kinematics
I
Inertia

45. Symbol for acceleration
PE = mgh
I = F * t
Kinetic Friction
a

46. Equation for kinetic friction
Fk = Uk * R
Impulse
Strain Energy
Torque

47. Static friction
Fs
N*s
Fk
i

48. Quantity of matter contained in an object
Kinetics
Center of Gravity
KE = 1/2 mv^2
Mass

49. Equation for static friction
F=ma
Static Friction
Fs = Us * R
Fk = Uk * R

50. 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
Kinetic Energy
Frictional Force
Work
Vector