Answer:
Personal mode or Pre-Shared key mode.
Explanation:
Personal mode is good for mostly for smaller networks like home networks. An encryption passphrase is defined on the wireless router and other APs ( access points) After that the passphrase is entered by the users in order to connect with the wifi. This mode is not good for business networks.
Answer:
5.5 N at 50.8° north of west.
Explanation:
To find the resultant of these forces, we have to resolve each force along the x- and y-direction, then find the components of the resultant force, and then calculate the resultant force.
The three forces are:
(east)
(west)
(at 60° north of west)
Taking east as positive x-direction and north as positive y-direction, the components of the forces along the 2 directions are:
![F_{1x}=3.0 N\\F_{1y}=0](https://tex.z-dn.net/?f=F_%7B1x%7D%3D3.0%20N%5C%5CF_%7B1y%7D%3D0)
![F_{2x}=-4.0 N\\F_{2y}=0](https://tex.z-dn.net/?f=F_%7B2x%7D%3D-4.0%20N%5C%5CF_%7B2y%7D%3D0)
![F_{3x}=-(5.0)(cos 60^{\circ})=-2.5 N\\F_{3y}=(5.0)(sin 60^{\circ})=4.3 N](https://tex.z-dn.net/?f=F_%7B3x%7D%3D-%285.0%29%28cos%2060%5E%7B%5Ccirc%7D%29%3D-2.5%20N%5C%5CF_%7B3y%7D%3D%285.0%29%28sin%2060%5E%7B%5Ccirc%7D%29%3D4.3%20N)
Threfore, the components of the resultant force are:
![F_x=F_{1x}+F_{2x}+F_{3x}=3.0+(-4.0)+(-2.5)=-3.5 N\\F_y=F_{1y}+F_{2y}+F_{3y}=0+0+4.3=4.3 N](https://tex.z-dn.net/?f=F_x%3DF_%7B1x%7D%2BF_%7B2x%7D%2BF_%7B3x%7D%3D3.0%2B%28-4.0%29%2B%28-2.5%29%3D-3.5%20N%5C%5CF_y%3DF_%7B1y%7D%2BF_%7B2y%7D%2BF_%7B3y%7D%3D0%2B0%2B4.3%3D4.3%20N)
Therefore, the magnitude of the resultant force is
![F=\sqrt{F_x^2+F_y^2}=\sqrt{(-3.5)^2+(4.3)^2}=5.5 N](https://tex.z-dn.net/?f=F%3D%5Csqrt%7BF_x%5E2%2BF_y%5E2%7D%3D%5Csqrt%7B%28-3.5%29%5E2%2B%284.3%29%5E2%7D%3D5.5%20N)
And the direction is:
![\theta=tan^{-1}(\frac{F_y}{|F_x|})=tan^{-1}(\frac{4.3}{3.5})=50.8^{\circ}](https://tex.z-dn.net/?f=%5Ctheta%3Dtan%5E%7B-1%7D%28%5Cfrac%7BF_y%7D%7B%7CF_x%7C%7D%29%3Dtan%5E%7B-1%7D%28%5Cfrac%7B4.3%7D%7B3.5%7D%29%3D50.8%5E%7B%5Ccirc%7D)
And since the x-component is negative, it means that this angle is measured as north of west.
Most likely by moving an object and by moving it from one place to another and how fast and slow it goes to its destination.
Answer:
(a) Stiffness is measured by Young modulus
(b) Strength is measured as tensile stress in force per unit area
(c) Ductility is measured by elongation and reduction of area.
(d) Toughness is measured by the amount of energy that a unit volume of the material has absorbed after being stressed up to the point of fracture.
(e) Hardness is obtained by measuring the size of the impression left by an indenter
Explanation:
Mechanical properties are helpful in determining whether or not a material can be produced in the desired shape and also resist the mechanical forces anticipated.
Given mechanical properties of metals and how they are measured is as follows:
(a) Stiffness is the ability of a material to resist deformation under stress. It is measured by Young modulus
(b) Strength is the ability of a material to resist the externally applied forces without breaking or yielding. It is measured as tensile stress in force per unit area
(c) Ductility is the property of a material enabling it to be drawn into a wire with the application of a tensile force. It is measured by elongation and reduction of area.
(d) Toughness is the property of a material to resist fracture due to high impact. It is measured by the amount of energy that a unit volume of the material has absorbed after being stressed up to the point of fracture.
(e) Hardness is the property of a metal, which gives it the ability to resist being permanently deformed, when a load is applied. It is obtained by measuring the size of the impression left by an indenter