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