Ateneo de Davao University Senior High School km. 7, MacArthur Highway Bangkal, Talomo, Davao City A. Y: 2022-2023 General Physics 1 Summative Assessment Time Limit: 50 minutes Total Points: 30 points Instructions: Use clean sheets of paper (bond papers) Write your name and section on the top portion of each sheet of your paper Use black or blue inked pens. No pencils. Show your complete solutions. 0 Solutions must be clean (minimal erasures only). o Solutions must be organized (avoid more than two columns). For Final Answers: Express your answers in four (4) significant figures. Do not forget the appropriate unit of measurements for each answer. Box all your final answers. o Deductions will be made if failure to do so. FILE NAME : SECTION_LASTNAME_QUIZ Please ensure that you have read and comprehended the instructions. Do not disclose any insights or information about the quiz to anyone. This is seen as an academic blunder. Failure to do so will lead to disciplinary and academic council proceedings. Should you want to report any irregularities, please do not hesitate to talk to your teacher or email Mr. Eldon Calamba at eccalambagaddu. edu.ph 550 0 1. A 98-N decorative dragon head is mounted on the ceiling, as shown. Calculate the tension in B cable A if the tension in cable C is 20 N. C L P 2022-20 2. A 250-kg sled at rest is pulled up a grassy hill and reached a speed of 0.5 m/s after 5.00 m/s. If the hill is inclined at 370 and is pulled with a force of 2500 N at 200 with respect to the surface of the hill, calculate the coefficient of kinetic friction 370 between the sled and the hill. 50 3. Balikbayan boxes are unloaded from a truck using a trolley. The trolley is supported with a certain amount of force such that it moves down the ramp at a constant speed. There is friction between the rap and the wheels of the trolley. Draw the free body diagram of the trolley. 10 Kinematic Equations Newton's Laws of Motion Ux = Vox + axt Vy = Voy + ayt EF = 0 (Newton's 1st Law) 9 = 9.8 m/s2 x = xo + Voxt +,axt2 y = yo + Voyt+ zayt2 EF = ma weight = mass x g v2 = Vox + 2ax(x -xo) v3 = vay + 2a,(y -yo) (Newton's 2nd Law) x - xo = = (Vox + vx)t y - yo = = (Voy + vy )t fsmax = Hyn fx = Han