1. What factor affects the range of a projectile?
A. acceleration due to gravity
B. Angle of release
C. initial velocity
D. all the above
2. Which of the following movement best describes the two-dimensional motion
(vertical and horizontal) of an object moving under the influence of gravity?
A. Circular motion
C. Rectilinear motion
B. Projectile motion
D. Rotational motion
3. Which is the following is the ONLY force acting on a projectile motion?
A. electricity
C. surface friction
B. gravity
D. tension
4. What do you call a projectile's path through space?
A. flight path
C. range
B. period
D. trajectory
5. What is the direction of the acceleration for any projectile?
A. Same direction as the projectile's path
B. down
D. sideways
C. Up​