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