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