The floor grid in Figure 1 is subject to a uniform pressure of SN/2 kPa. All dimensions are in meters. (a) Draw the tributary area of the interior beam X-Y, girder C3-D3 and column A1.
(b) Calculate and sketch the loading acting on each of the above elements.

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work

What is the momentum of a 2 kg object moving at 15 meters per second

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?