Acceleration Due to Gravity. Eureka – Acceleration P.2 https://www.youtube.com/watch?v=ESQKTdN Gpzwhttps://www.youtube.com/watch?v=ESQKTdN Gpzw Eureka.

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Presentation transcript:

Acceleration Due to Gravity

Eureka – Acceleration P.2 Gpzwhttps:// Gpzw Eureka – Gravity ▫ LU

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?

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

On Earth, Acceleration due to gravity - “little g” a g or g = 9.81m/s 2 [ 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

How fast does it hit the ground? /one-dimensional- motion/kinematic_formulas/v/impact-velocity- from-given-height

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