Projectile Motion Concepts

1. A projectile is a body that is projected into the air and influenced only by the force of gravity.

• True

• False

2. A projectile has two components of motion that are dependent to one another.

• True

• False

3. A body that is projected horizontally into the air will have a/an _____________ horizontal velocity as it travels along its trajectory.

• increasing

• decreasing

• constant

4. A body is projected at an angle above the horizontal. Which of the following statement is TRUE?

• As it moves up, its vertical velocity is constant.

• As it moves up, its vertical acceleration decreases.

• As it moves up, its vertical velocity increases.

• As it moves up, its vertical velocity decreases.

Tags

NGSS.HS-PS2-1

5. Which of the following is TRUE when the projectile is at the highest point of its trajectory?

• Its velocity is zero.

• its horizontal velocity is zero.

• Its vertical velocity is zero.

• Its acceleration is zero.

6. Two identical projectiles were launched on a level ground having the same initial velocity. One is projected at 30° angle while the other is projected at 60° angle. Which has the longer range?

• The one projected at 30°

• The one projected at 60°

• The two projectiles have the same range.

7. Two identical projectiles were launched on a level ground having the same initial velocity. One is projected at 30° angle while the other is projected at 60° angle. Which between the two will reach higher vertical displacement.

• The one projected at 30°

• The one projected at 60°

• They will reach the same height.

8. At what angle should a cannon be projected so that it will travel the maximum horizontal distance?

• 0°

• 30°

• 45°

• 60°

9. What is the shape of the projectiles trajectory?

• hyperbola

• circle

• ellipse

• parabola

10. Which of the following correctly describes the x and y components of the projectile's motion?

• x (constant velocity) y (uniformly accelerated motion)

• x (constant acceleration) y(constant velocity)

• x (constant velocity) y(zero acceleration)