1) What is the shape of the trajectory of a projectile? a) Parabolic b) Circular c) Hyperbolic d) Elliptical 2) What is referred to as an object that is given an initial velocity and is then acted solely upon by gravitational force? a) Project b) Projectile c) Target d) Trajectory 3) What force enables objects to reach the ground? a) Friction Force b) Magnetic Force c) Gravitational Force d) Tension Force 4) Which of the following composed the two linear motions of a projectile? a) Horizontal and Circular Motion b) Horizontal and Vertical Motion c) Vertical and Curvilinear Motion d) Vertical and Circular Motion 5) What is the acceleration of a baseball thrown to the air at an angle of 45 degrees with respect to the horizontal as it returns to the ground? a) 0m/s b) 9.8m/s2 c) C.0m/s2 d) D.-9.8 m/s2

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