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