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