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