All AIN MEMS Accelelrometer MEMS gyroscope Thermal microactuator BAW sensor Reflector IDT electrode Si Surface acoustic wave (SAW) sensor Piezoelectr layer Substrate layer Carbon atom Oxygen atom GO film Hydrogen atom

a) For the solid section shown in Figure Q1, determine dimensions a, b and c. b) Determine the centroid position (x, y) for the solid section shown in Figure Q1 relative to the origin O on the x-y axes. Clearly show the breakdown of the section into areas used in your calculations. y 85 mm 53 mm b 25 mm 157° 25 mm 65 mm Figure Q1 (Not to scale) X

a) b) solve step by step in digital format In the following problems, draw the deformed shape of the structure for the given loads.

Bar ABC has an outer diameter of 10 mm and is made of red brass for which E = 100 GPa. Section AB is hollow with a wall thickness of 2 mm and section BC is solid. Knowing that P is 24 kN, applied to both sides of the bar at B and Q is 8 kN, applied to the bar at C as shown. What is the total %3D change in length of bar ABC? Express your answer in mm, to the nearest 0.01 mm, taking elongation as positive and contraction as negative. 4 13 'A В C P 400 mm -600 mm-