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Acceleration Due to Gravity

This educational resource explores the concept of acceleration due to gravity, highlighted through video tutorials on YouTube. Key topics include air resistance, the shape of orbits, free fall, and the weightlessness experienced in such conditions. The materials encourage critical thinking through practical questions and sketches, making complex physics concepts accessible to young learners. Dive into the science behind gravity and its constant acceleration on Earth, culminating in activities that reinforce understanding.

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Acceleration Due to Gravity

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  1. Acceleration Due to Gravity

  2. Eureka – Acceleration P.2 • https://www.youtube.com/watch?v=ESQKTdNGpzw • Eureka – Gravity • https://www.youtube.com/watch?v=pnhAWFS5vLU

  3. Read “Going Ballistic” • Answer the following questions: • Research: What is air resistance? What affects that amount of air resistance on an object? • What is the shape of most orbits? • Draw a rough sketch of the “hole to China” indicating where an individual who falls into this hole is at rest and at maximum speed. • What is free fall? How is the International Space Station and the moon in free fall? Write a paragraph to explain it to a 5 year old. • Why do you feel weightless in free fall?

  4. What is acceleration due to gravity? • Get out the Probe!!!

  5. On Earth, • Acceleration due to gravity - “little g” • ag or g = 9.81m/s2 [towards centre of Earth] or [] • This varies depending on the Earth’s radius at a given point but this is a generally accepted average • It’s CONSTANT acceleration! • For our calculations, • We assume no air resistance

  6. How fast does it hit the ground? • https://www.khanacademy.org/science/physics/one-dimensional-motion/kinematic_formulas/v/impact-velocity-from-given-height

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