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