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Test your basic knowledge |
Mechanical Analysis
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
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. Newton's 2nd Law of Motion (law of acceleration)
Static Friction
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
P = F * (s/t)
if an object is at rest or moving with a constant velocity then the forces on it must be...
2. Coefficient of kinetic friction
p = mv
Uk
Joule (J)
PE = mgh
3. Physical quantity that is completely described by its magnitude (mass - volume - length)
Free Body Diagram
Vector
Scalar
g
4. The frictional force between two surfaces when there is no movement between the surfaces
I = F * t
Static Friction
i = F*t
p = mv
5. Equation for Strain enegy
Kinetic Friction
Net Force
SE = 1/2kx^2
h
6. SI unit of Force
Inertia
Kinetic Friction
Eccentric Force
Newton (N)
7. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
Free Body Diagram
I
Linear momentum
Scalar
8. P
Eccentric Force
Joule (J)
Force
symbol for momentum
9. Force acting perpendicular to two surfaces in contact
m
if an object is at rest or moving with a constant velocity then the forces on it must be...
P = (F*s)/t
Normal reaction force
10. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Center of Gravity
SE = 1/2kx^2
Fs = Us * R
a = F/m
11. Symbol for Watts
Fk = Uk * R
Center of Gravity
Fs = Us * R
W
12. Product of force X time over which the force acts
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
a
Impulse
Linear momentum
13. Kinetic friction
Fk
symbol for momentum
P = F * v
Force
14. Equation of Force
Kinetic Energy
KE = 1/2 mv^2
F=ma
I = F * t
15. Symbol of mass
m
Free Body Diagram
P = F * (s/t)
Kinetic Energy
16. Equation for static friction
Fs = Us * R
Scalar
Fk
Fk = Uk * R
17. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
P = (F*s)/t
Kinematics
Vector
Mechanical energy
18. A force acting away from the CoG of a body induces translation AND rotation
Eccentric Force
F
Forms of mechanical energy
Us
19. Symbol of Force
F
PE = mgh
Fk = Uk * R
Kinetics
20. Equation for acceleration
Impulse
h
a = F/m
N*s
21. Equation of impulse
Impulse
Fs = Us * R
Static Friction
i = F*t
22. Equation for Kinetic Energy
Impulse
Fs = Us * R
KE = 1/2 mv^2
Center of Gravity
23. The study of what causes motion (describes the forces that cause motion)
N*s
Kinematics
i
Kinetics
24. Symbol for power - measured in Watts (W)
Free Body Diagram
PE = mgh
N*s
P
25. Coefficient of static friction
Us
Kinetic Energy
g
W = F * s
26. Symbol for acceleration
Kinetic Energy
Frictional Force
P = F * v
a
27. Kinetic energy (KE) and Potential Energy (PE)
N*s
Linear momentum
Types of friction
Forms of mechanical energy
28. SI unit for mechanical energy
Joule (J)
Types of friction
Impulse
Force
29. Symbol for torque
Eccentric Force
Mass
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
30. 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
Power
Work
Frictional Force
Fs = Us * R
31. Product of mass and linear velocity
Linear momentum
KE = 1/2 mv^2
g
P
32. Equation for momentum
I = F * t
Kinetic Friction
Mechanical energy
p = mv
33. Symbol for height above ground
Scalar
h
Vector
Types of friction
34. Static friction
P = (F*s)/t
g
Fs
Fs = Us * R
35. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
Free Body Diagram
Fs = Us * R
Kinematics
Frictional Force
36. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Force
Eccentric Force
a = F/m
I
37. Rotary effect of a force
g
Torque
Eccentric Force
Kinematics
38. The energy due to the position that a body occupies relative to the earths surface
a
Potential Energy
m
Vector
39. zero OR balanced
Newton (N)
if an object is at rest or moving with a constant velocity then the forces on it must be...
Kinetics
i = F*t
40. Equation for work
i = F*t
W = F * s
Normal reaction force
Fk
41. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Torque
Vector
Joule (J)
Normal reaction force
42. The spring constant
k
Force
PE = mgh
a
43. Equation for kinetic friction
Eccentric Force
Scalar
Fk = Uk * R
Impulse
44. The energy a body possesses due to its movement
I
Kinetic Energy
Uk
p = mv
45. Equation of Power equals Strength times Speed
Newton (N)
I
P = F * v
Eccentric Force
46. Resultant force derived from the composition of two or more forces
Net Force
P
Fk
k
47. Quantity of matter contained in an object
s
Mass
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
symbol for momentum
48. SI unit for impulse
Scalar
N*s
p = mv
Kinetic Energy
49. Equation for Power
P = (F*s)/t
Mechanical energy
i = F*t
i
50. Rearrangement of equation for Power
P
Scalar
P = F * (s/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