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