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