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