1) Which of the following composed the two linear motions of a projectile? a) Vertical and Horizontal Motion b) Circular and Horizontal Motion c) Vertical and Elliptical Motion d) Circular and Vertical Motion 2) What is referred to as an object that is given an initial velocity and is then acted solely upon by gravitational force? a) Projectile Motion b) Trajectory c) Project d) Motion 3) Which force is responsible for pulling objects toward the Earth, causing them to fall to the ground? a) Gravitational Force b) Magnetic Force c) Frictional Force d) Tension Force 4) Which equation represents the relationship between vertical distance and final velocity when an object falls freely under the influence of gravity? a) s=d/t b) d=st c) vf= -√2agdy d) vf=d-vi 5) Which of the following is the best example of a projectile? a) A parked car. b) A flying bee. c) A stone thrown into the air. d) A piece of tissue paper thrown in the can. 6) A sepak takraw that is kicked from a height of two meters follows a path that is____________. a) circular b) hyperbolic c) linear d) parabolic 7) At what axis in the cartesian coordinate system is horizontal motion usually associated? a) x-axis b) y -axis c) z -axis d) w-axis 8) At what axis in the cartesian coordinate system is vertical motion usually associated? a) x-axis b) y-axis c) z-axis d) w-axis 9) Which of the following statements BEST shows horizontal motion? a) A bird catching its prey b) A cheetah leaping to catch a prey c) Skateboarding in a U ramp d) Running in a 100-yard dash 10) Which of the following examples BEST demonstrates vertical motion? a) A ball thrown straight up into the air b) A car driving on a straight road c) A person swimming across a pool d) A bird flying horizontally 11) Sports are known to provide numerous physical and mental benefits. Given the following statements about the benefits of sports, evaluate each one and determine which is least consistent with the typical outcomes of regular physical activity. Justify your choice by explaining why the other options are valid benefits of sports. a) Gain weight and tiredness. b) Improve memory and brain function. c) Protect against many chronic diseases. d) Lower blood pressure and improve heart health. 12) Which of the following BEST represents motion that combines both horizontal and vertical components? a) A person running on flat ground b) A bird flying in a straight line c) A stone thrown at an angle d) A rocket launched straight up 13) What is the acceleration due to gravity near the Earth's surface? a) 9.8 m/s² b) 10 m/s² c) 9.0 m/s² d) 8.5 m/s² 14) What is the acceleration of a freely-falling object on earth? a) 9.8 m/s2 b) -9.8 m/s2 c) 6.4 m/s2 d) Cannot be determined 15) What is the shape of the trajectory followed by a projectile? a) Circle b) Parabola c) Straight Line  d) Ellipse 16) What do we call the horizontal distance covered by a projectile? a) Range b) Height c) Speed d) Time 17) Which of the following factors does NOT affect the range of a projectile? a) Launch speed b) Launch angle c) Acceleration due to gravity d) Color of the projectile 18) Which of the following factors primarily affects the range of a projectile? a) Initial velocity b) Angle of release c) Mass of the projectile d) Air resistance 19) At what angle will a projectile achieve its maximum range when launched with a constant initial velocity? a) 0˚ b) 30˚ c) 45˚ d) 90˚ 20) Which of the following statements about the relationship between the angle of release and the height of a projectile is correct? a) The angle of release does not affect the height. b) The lower the angle, the greater the maximum height. c) The higher the angle, the greater the maximum height. d) Maximum height is only affected by the initial velocity, not the angle. 21) You are analyzing the motion of a projectile launched into the air, assuming there is no air resistance. Based on your knowledge of projectile motion, determine the acceleration of the projectile in the horizontal direction during its flight. a) 0 m/s² b) 9.8 m/s² c) 10 m/s² d) 5.0 m/s² 22) Momentum is conserved in which of the following? a) Only in elastic collisions b) Only in inelastic collisions c) In both elastic and inelastic collisions, provided no external forces act d) Momentum is never conserved 23) Which of the following best defines momentum? a) The rate of change of speed of an object. b) The mass of an object multiplied by its velocity. c) The force acting on an object over time. d) The energy stored in an object due to its motion 24) What is the unit of momentum? a) Joule (J) b) Newton (N) c) Kilogram meter per second (kg·m/s) d) Meter per second (m/s) 25) What is the unit of distance? a) m b) kg c) s d) m/s 26) What is the unit of time? a) s b) m c) m/s d) kg 27) What is the unit of speed? a) m/s b) s c) kg d) m 28) What is the unit of velocity? a) m/s N b) kg c) m d) m/s 29) What is the unit of acceleration? a) m/s2 b) m/s c) km/hr d) m 30) What is the unit of dx? a) m b) s c) kg d) kg.m/s

Science 9

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