Gen Physics 1 First Quarter Exam Review PDF

DO NOT WRITE ANYTHING ON THIS TESTPAPER ITSH2406 LONG EXAMINATION 12. The impact velocity is the measured velocity of an object a...

DO NOT WRITE ANYTHING ON THIS TESTPAPER ITSH2406 LONG EXAMINATION 12. The impact velocity is the measured velocity of an object as it comes closer to its destination. Which makes the statement INCORRECT? GENERAL PHYSICS 1 A. Impact C. Velocity FIRST QUARTER B. Destination D. The statement is correct. GENERAL DIRECTIONS: Read each question carefully. Choose the 13. What quadrant in the Cartesian plane has the x-axis x < 0, where the BEST answer and SHADE the corresponding letter properly on your value is negative, and the y-axis y > 0, where the value is positive? answer sheet. NO ERASURES A. Quadrant I C. Quadrant III B. Quadrant II D. Quadrant IV 1. If the random errors acquired are high, then precision is higher. Which makes the statement INCORRECT? 14. Which of the following formulae best represents the Impulse- A. Errors C. Acquired Momentum Theorem? B. Random D. The statement is correct. A. F∆t = m∆v C. F∆t = ma B. J = J/m D. J = mv2 2. An average human heart beats 60 times per minute. If the average person lives to the age of 90, how many times does the average heart 15. Why is it important to determine the unit vector values of some vectors beat in a lifetime? in a given scenario? A. 2.71 billion beats A. It is similar to the unit circle in Trigonometry. B. 2.77 billion beats B. It is obtained by dividing the vector value to its scalar value. C. 2.84 billion beats C. Because the magnitude is always one (1). D. 2.90 billion beats D. It allows scientists to compute for angles faster since the magnitude is always one (1). 3. Newton’s Second Law, the Law of Inertia, states that an object will remain in its current state unless there is a change in its equilibrium 16. Free-fall is motion where gravity is the only acting influence on the cause by an unbalanced, outside ________. object. Which makes the statement INCORRECT? A. energy C. momentum A. Free-fall B. collision D. force B. Gravity C. Influence 4. To standardize and make conversion between units easier and faster, D. The statement is correct. SI (Système international) was first used during the 1800s. From which country was it developed? 17. A 4 m steel bar has a stack of cement weighing 10 kg on its left side, A. United States C. Italy and a bucket of water weighing 5 kg on the other side. Where is the B. France D. Great Britain center of the mass located in this scenario? A. Near the bar’s center. 5. 9,800,000 mm to miles B. Near the lighter object A. 6.09 mi C. 6.05 mi C. Near the heavier object B. 6.07 mi D. 6.03 mi D. Exactly at the center of the bar which is 2 m. 6. Which of the following equations best represent conservative force? 18. How will you describe the path of a projectile? A. W = T + U C. F = ma A. Straight C. Curved B. U = W + T D. F = mg B. Parabolic D. Hyperbolic 7. Which of the following DOES NOT belong to the group? 19. If a given vector in a scenario is -50 m/s NW, what is its negative vector A. speed C. time value? B. velocity D. acceleration A. 50 m/s NE B. 50 m/s NW 8. Which among these best describes collision? C. 50 m/s SE A. Collision is an indirect application of the Law of D. 50 m/s SW Conservation of Momentum. B. Collision is a brief, simultaneous interaction between two (2) 20. If a 50 g steel ball collides with a 510 g foam ball moving towards the or more bodies. steel ball, what kind of collision will occur if both balls have the same C. Collision is classified as either elastic or inelastic. force? D. Inelastic collision is the type of collision that is sticky. A. Elastic C. Perfectly elastic B. Inelastic D. Perfectly inelastic 9. When does an object reach its maximum height when thrown upwards? A. When the final velocity is at its maximum. 21. Which among the following proves that Quadrant IV in the Cartesian B. When the final velocity is at its minimum. coordinate system provides positive-negative values? C. When the final velocity reaches zero. A. x < 0, y < 0 C. x > 0, y < 0 D. When the final velocity becomes 1. B. x < 0, y > 0 D. x > 0, y > 0 10. Momentum is the amount of mass within a focused area in an object. 22. The influence that makes a body move is called energy. Which make Which makes the statement INCORRECT? the statement INCORRECT? A. Mass A. Influence C. Energy B. Momentum B. Move D. The statement is correct. C. Area D. The statement is correct. 23. Galadriel, Elrond, and Celebrimbor decided to create a graph from their velocity and acceleration tests. What kind of graph best suit their need 11. Two identically-sized balls were rolling towards each other at the same to understand their experiment? constant speed. One (1) is made of plastic while the other is made of A. Pie Graph C. Scatter plot wood. Applying Newton’s Second Law, what will happen to the balls B. Histogram D. Time series upon impact? A. The plastic ball will change direction. 24. What is the angle of an object’s initial velocity with respect to the range? B. The wood ball will change direction A. Angle of elevation C. Launch velocity C. Both balls will change direction. B. Impact velocity D. Maximum height D. Both balls will stop. Page 1 of 2 DO NOT WRITE ANYTHING ON THIS TESTPAPER DO NOT WRITE ANYTHING ON THIS TESTPAPER ITSH2406 25. When two billiard balls collide with the same amount of force, what type 39. A ball was flying in the air at a velocity of 2.5 m/s. When plotted in a 3D of collision is being shown? Cartesian plane, the ball’s angle θ is 60°, while its angle φ is 30°. What A. Elastic C. Perfectly elastic is the ball’s z-component value? B. Inelastic D. Perfectly inelastic A. 2.17 m/s C. 2.19 m/s B. 2.18 m/s D. 2.20 m/s 26. Which of the following DOES NOT describe an object influenced by balanced forces? 40. In a projectile motion, when does displacement (x) get the maximum A. The object is constantly accelerating. value? B. The object has the same speed. A. θ = 15° C. θ = 45° C. The object is note moving. B. θ = 30° D. θ = 60° D. All of the above. 41. Projectile is the object moving in a projectile motion. Which makes the 27. Which among the following proves that Quadrant III in the Cartesian statement INCORRECT? coordinate system provides negative-negative values? A. Projectile C. Motion A. x < 0, y < 0 C. x > 0, y < 0 B. Object D. The statement is correct. B. x < 0, y > 0 D. x > 0, y > 0 42. The force acting against weight is called 28. If clowns can spin plates on sticks, where are the plates’ centers of A. frictional C. applied mass located? B. normal D. none of these A. At the plate’s edge C. At any point B. At the plate’s origin D. None of these 43. It is the energy of a moving object. A. kinetic C. force 29. What is 18 mm in inches rounded to the nearest hundredths? B. potential D. capacity A. 0.71 inches C. 0.51 inches B. 0.69 inches D. 0.46 inches 44. It is the energy of an object at rest. A. kinetic C. force 30. 185 yd per minute to miles per hour B. potential D. capacity A. 5.55 mi/h C. 7.15 mi/h B. 6.31 mi/h D. 6.15 mi/h 45. 186,000 mi/h to km/yr A. 1.91 billion km/yr C. 2.75 billion km/yr 31. Which DOES NOT belong to the group? B. 2.62 billion km/yr D. 2.82 billion km/yr A. Time C. Length B. Area D. Luminous Intensity 46. The formula for every straight line is __________ A. y = mx + b C. y = mx + (y0 – mx0) 32. What happens to the object if large amount of power is used? B. m(x – x0) = y – y0 D. mx = y + 0 A. The object won’t work. B. The object does a large amount of work. 47. When can work be achieved? C. The object does very little work. A. When the object is not moving D. The object will work proportionally. B. When the force being applied to the object is perpendicular to the object’s motion 33. In representing numbers to scientific notation, the exponent is positive C. When the object is moving alongside the direction the if the decimal point moves to the left. Which makes the statement force is exerted at. incorrect? D. None of these. A. Exponent C. Left B. Positive D. The statement is correct. For items 48-50, refer to the statement below: The Titanic, a steam-powered cruise ship, was travelling along the 34. The following are rules and guidelines in writing scientific notations Atlantic Ocean for three (3) days when it received a message that a 4,500 kg EXCEPT: iceberg, travelling at 175 m/s, would hit them in under 20 seconds. The Titanic A. Coefficient must be greater than or equal to one (1). has a collective mass of 34,520 kg, and exerts a force of 24,000 N to push B. The base is always 11. itself over the ocean to travel 650 km in 45 seconds. What is the velocity of C. Exponents represent the number of digits the decimal point the ship if the iceberg stopped and crumbled after the collision? has crossed. D. There is no radical notation in the scientific notation. 48. What is the speed of the Titanic in m/s? A. 280,000 m/s 35. X : Y : Z as to abscissa : ordinate : __________ B. 650,000 m/s A. applicant C. applicate C. 15,384.3 m/s B. applicante D. applitate D. 14,444.44 m/s 36. The following are key terms in understanding precision EXCEPT: 49. Compute for the momenta of the ship and the iceberg. A. exactness C. repeatability A. 498,622,068.8 kg.m/s; 0 kg.m/s B. consistency D. research B. 471,622,068.8 kg.m/s; 3 kg.m/s C. 498,622,752.8 kg.m/s; 7 kg.m/s 37. These refer to the miscalculations of data or lapse of judgment during D. 498,622,061.8 kg.m/s; 1 kg.m/s the experiment or research that yielded dubious results. A. uncertainty C. random 50. What is the velocity of the ship if the iceberg stopped and crumbled after B. error D. sytematic the collision? A. 280,000 m/s C. 15,384.3 m/s 38. Which of the following best represents a graphical presentation of free- B. 650,000 m/s D. 14,444.44 m/s fall? A. A curve that starts at a high value at the origin B. A curve starting at the origin that curves upward “You cannot teach a man anything, C. A constant upward slope you can only help him discover it in himself.” D. A curve starting a great height at mark zero (0) curving -Galileo Galilei downwards Page 2 of 2 DO NOT WRITE ANYTHING ON THIS TESTPAPER