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