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