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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. zero OR balanced
i = F*t
I = F * t
k
if an object is at rest or moving with a constant velocity then the forces on it must be...
2. Equation for Power
Eccentric Force
P = (F*s)/t
Mass
Frictional Force
3. Equation for Strain enegy
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
Kinetics
i
SE = 1/2kx^2
4. Coefficient of static friction
Us
T
KE = 1/2 mv^2
i
5. Symbol for displacement
Force
F
s
Work
6. Symbol for acceleration
Force
P
a
if an object is at rest or moving with a constant velocity then the forces on it must be...
7. Symbol of Impulse
Center of Gravity
a = F/m
Power
I
8. The frictional force between two surfaces when there is movement between the surfaces
Kinetic Friction
Torque
a = F/m
F
9. The energy due to the position that a body occupies relative to the earths surface
W = F * s
Potential Energy
Impulse
Kinetics
10. The rate of the mechanical work done by a force
Fs = Us * R
concentric force
p = mv
Power
11. Symbol for height above ground
SE = 1/2kx^2
h
Kinetic Friction
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
12. Equation for Impulse
p = mv
Normal reaction force
T
I = F * t
13. The force that arises whenever one body moves - or tends to move across the surface of (always opposes the motion or impending motion)
p = mv
Newton (N)
P = F * (s/t)
Frictional Force
14. Equation of impulse
Linear momentum
Us
i = F*t
F
15. Equation for kinetic friction
Types of friction
s
P = F * (s/t)
Fk = Uk * R
16. Kinetic friction
a = F/m
Fk
Frictional Force
SE = 1/2kx^2
17. Symbol for torque
T
P
s
Strain Energy
18. The spring constant
Fs = Us * R
Inertia
p = mv
k
19. SI unit for 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
Joule (J)
T
P = F * v
20. Symbol of inertia
i
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 = Uk * R
Vector
21. Tendency of a body to resist a change in its state of motion
i = F*t
m
Inertia
h
22. Potential energy due to an objects form
W
g
Kinetic Friction
Strain Energy
23. Force acting perpendicular to two surfaces in contact
Torque
Inertia
Uk
Normal reaction force
24. Equation of Power equals Strength times Speed
i
P = F * v
I = F * t
Mass
25. Rotary effect of a force
Torque
Vector
Normal reaction force
Fs
26. The study of HOW things move (describes the appearance of movement position - velocity - and acceleration)
F=ma
Work
a = F/m
Kinematics
27. Symbol of mass
Forms of mechanical energy
if an object is at rest or moving with a constant velocity then the forces on it must be...
SE = 1/2kx^2
m
28. Newton's 1st Law of motion (law of inertia)
Scalar
T
SE = 1/2kx^2
An object will remain at rest or continue with constant motion (velocity) unless acted on by an unbalanced force
29. Equation of Force
Fk = Uk * R
F=ma
P = (F*s)/t
h
30. Quantity of matter contained in an object
Kinetics
Vector
a = F/m
Mass
31. Equation for static friction
Fk = Uk * R
Power
Fs = Us * R
Types of friction
32. Equation for momentum
Frictional Force
W
p = mv
I = F * t
33. A force acting away from the CoG of a body induces translation AND rotation
Impulse
Types of friction
Eccentric Force
Mechanical energy
34. Point around which a body's weight is equally balanced - no matter how the body is positioned.
Free Body Diagram
Kinetic Energy
Center of Gravity
Torque
35. 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
Inertia
N*s
Work
p = mv
36. An interaction between two objects/bodies that change or tend to change their motion (Vector)
Force
T
SE = 1/2kx^2
P = (F*s)/t
37. Equation for acceleration
a = F/m
Frictional Force
if an object is at rest or moving with a constant velocity then the forces on it must be...
Eccentric Force
38. Static 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
N*s
Fs
T
39. Symbol for power - measured in Watts (W)
Forms of mechanical energy
F
P
s
40. SI unit for impulse
Torque
Power
N*s
Us
41. Symbol of Force
F
i
Net Force
symbol for momentum
42. The frictional force between two surfaces when there is no movement between the surfaces
if an object is at rest or moving with a constant velocity then the forces on it must be...
Static Friction
Frictional Force
i
43. Equation for Potential Energy
PE = mgh
Us
Forms of mechanical energy
Center of Gravity
44. Physical quantity that possesses both magnitude and direction ( force - pressure - torque - weight)
Linear momentum
Vector
Fs = Us * R
Impulse
45. The study of what causes motion (describes the forces that cause motion)
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
Kinetics
Fs
46. Equation for work
W = F * s
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
i = F*t
47. Newton's 3rd Law of Motion (law of reaction)
Mass
m
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 = Uk * R
48. Equation for Kinetic Energy
Free Body Diagram
T
if an object is at rest or moving with a constant velocity then the forces on it must be...
KE = 1/2 mv^2
49. Sketch that shows a defined system in isolation with all of the force vectors acting on the system.
F=ma
I
Scalar
Free Body Diagram
50. Kinetic energy (KE) and Potential Energy (PE)
p = mv
Forms of mechanical energy
Fk
P