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