Particle Motion in Two Dimensions
Explore the principles of projectile motion and vector components in two-dimensional particle movement.
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Particle Motion in Two Dimensions
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. Which of the following best describes projectile motion?
Motion in a straight line with constant velocity.
Motion under the influence of gravity only, forming a parabolic path.
Motion in a circular path at constant speed.
Motion where acceleration is always zero.
2. What force primarily affects the vertical motion of a projectile?
Air resistance
Applied force
Gravity
Friction
3. The horizontal component of a projectile's velocity remains (assuming no air resistance).
4. The path followed by a projectile is called its .
5. A ball thrown horizontally from a cliff will hit the ground at the same time as a ball dropped vertically from the same height (neglecting air resistance).
True
False
6. Describe the difference between the horizontal and vertical components of a projectile's motion.
7. Observe the diagram below showing projectile motion. Label the horizontal velocity (Vx) and vertical velocity (Vy) at points A, B, and C.
Point A:
Point B:
Point C: