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