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subject: GENERAL PHYSICS (GRADE 12- STEM)

am code: O.S.B code on the upper left corner of your answer sheet. GENERAL DIRECTIONS: Write your answers on a separate sheet of paper. Write your class number on the SUMMATIVE TEST 1 Part 1. MULTIPLE CHOICE. Read each question carefully and choose the best answer. ber on the upper right corner and the exam A. 11.03 g 2. B. 27 g 1 Lead has a density of 11.34 kg/L. What is the mass of a rectangular block of Lead 2.5 cm x 5.0 cm x 10.0 cm? (1 cm) = 1 mit) The accepted value is 1.43. which correctly describes the experimental data? Trial 1: Measurement A zo Trial 2: Measurement 1.30. Trial 3: Measurement 0.88 C. 90.72 9 A. Accurate but not precise 3. B. Precise but not accurate Repeated measurements of a quantity can reduce the effects of C. Both precise and accurate A. random errors D. Neither accurate nor precise B. systematic errors 4. C. both random errors and systematic errors Which of the following pairs are both vector quantities? D. neither random errors nor random errors 5. A. Acceleration and speed Which of the following is a scalar quantity? B. Force and acceleration C. Velocity and energy A. Distance D. Weight and mass 6. B. Electric field Identify the following quantities as scalar or vector: the velocity of a car, the time it takes to run a kilometer, the free-fall acceleration. C. Momentum D. Velocity A. Vector, scalar, scalar 7. B. Scalar, scalar, vector C. Vector, scalar, vector D. Scalar, vector, vector In a coordinate system, a vector is oriented at an angle with respect to the x-axis. The x-component of the vector equals the vector's magnitude multiplied by which trigonometric function? A. Cos angle 8. B. Cot angle Which refers to the process of splitting of the vector into its components? C. Sin angle D. Tan angle A. Vector Addition 9. B. Vector Multiplication What is the component along the y-axis of a 5-N force exerted towards North? C. Vector Representation D. Vector Resolution A. -5N B. 0 C. 5N D. 10 N 10. A passenger on a bus moving west sees a man standing on a curb, From the passenger's perspective, the man appears to A. Stand still C. Move east at a speed that is equal to the bus's speed B. Move east at a speed that is less than the bus's speed D. Move west at a speed that is equal to the bus's speed 11. Which of the following is the motion of objects moving in one dimension under the influence of gravity? A. Free-fall B. Projectile motion C. Uniform circular motion D. Uniform motion 12. A ball of mass 100 g, projected at an angle of 30 from the ground with an initial velocity of 11 m/s, what is the maximum height attained? . 0.28 m B. 0.48 m C. 1.54 m D. 4.63-m 13. Which of the following is not an example of projectile motion? A. A baseball hit by a bat C. A volleyball served over a net D. A hot-air balloon drifting toward Earth B. A long jumper in action 14. What is the force that keeps the body moving in circular motion? B. Centripetal force C. Gravitational force D. Reaction force A. Centrifugal force 15. A car moves around a circular path of a constant radius at a constant speed, Which of the following statements is TRUE? C. The car's velocity is tangent to path D. The car's velocity is directed toward the center A. The car's velocity is constant The car's acceleration is zero slerated motion B . A car starts from rest and travels 50 m in 5 s. After another 5 s, it travels an additional 150 m. It has uniformly access For numbers 16 to 18, refer to the given situation. C. 6 mis D. 8 mis 16. What is the acceleration of the car? C. 40 m/s D. 50 mis A. 2 m/s? 17. What is the velocity at the and of 10 42 1 30 min G. 86 m D. 92 m e the body to reach re grownnet D 900s What is the distance traveled after 6 at A. 20 m/s 10, A body is dropped from a height of 4 10 in above the ground, How many seconds does it take the body C. 4.50 D. 59 D A 36 m 20. A car travels 50 ken North and then 0 inv to the Fiat at what angle of North of East should the car head in order to push is an 0:19, 106 Posttion A 2126 Balutatorian Voaddictorian in a straight pain? 21 BOTH GRAPHICAL ANALYSIS. THE luRy HIJIN Draw ine velocity versus line raul and What is Blip shipare SiplePART II. GRAPHICAL ANALYSIS. The velocity of a moving object was noted. Draw the velocity-versus-time graph and answer the following questions 1. What is the acceleration of the object at 8 seconds? 2. What is the object's displacement at portion FG? 3. How far does the car travel in 9 seconds? 4. Which portion describes uniformly decelerated motion? 5 6 . Which portion describes uniform motion? . BONUS