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