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