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