Particle Motion in Two Dimensions
Explore the concepts of projectile motion, vectors, and the independence of horizontal and vertical motion 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 questions.
1. Which of the following best describes projectile motion?
Motion in a straight line.
Motion under the influence of gravity only.
Motion in a circle.
Motion with constant velocity.
2. A vector quantity has both magnitude and .
mass
direction
speed
time
1. The vertical motion of a projectile is affected by , while its horizontal motion is typically constant.
2. The path of a projectile is called its .
3. An object thrown or projected into the air, subject to only the acceleration of gravity, is called a .
1. Explain why the horizontal and vertical components of projectile motion are considered independent of each other.
2. Describe a real-world example of projectile motion.
1. Air resistance always has a significant effect on projectile motion.
True
False
2. The horizontal velocity of a projectile changes constantly during its flight.
True
False
Consider a ball thrown horizontally from the top of a cliff. Draw the approximate path the ball would take.
What forces are acting on the ball during its flight (ignoring air resistance)?