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