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