1) 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) Target c) Projectile d) Trajectory 2) What do you call the path followed by a projectile? a) Project b) Target c) Projectile d) Trajectory 3) If you throw a baseball straight up, what will its vertical velocity be at the highest point? a) 0m/s b) 0m/s2 c) 9.8m/s d) -9.8m/s2 4) 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) 0m/s2 c) 9.8m/s d) -9.8m/s2 5) If an object moves with a constant speed in a circular path, what is the direction of its acceleration? a) Tangential to the path b) Radial outward c) Radial inward d) Zero 6) In projectile motion, which of the following components of motion is constant throughout the trajectory? a) Velocity b) Acceleration c) Height d) Kinetic energy 7) The horizontal velocity (Vx) in horizontally launched projectiles is always constant. a) True b) False 8) As the projectile reaches its highest peak, the vertical velocity continuously increases. a) True b) False 9) In angle-launched projectile, the vertical velocity (Vy) decreases as the projectile rises a) True b) False 10) In an angle-launched projectile the vertical velocity remains constant. a) True b) False

Quiz about Motion in two Dimension

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