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## AP®︎/College Physics 1

### Unit 4: Lesson 4

Newton's law of gravitation- Introduction to gravity
- Gravity for astronauts in orbit
- Would a brick or feather fall faster?
- Acceleration due to gravity at the space station
- Space station speed in orbit
- Gravitational field strength
- Comparing gravitational and inertial mass
- Impact of mass on orbital speed
- Gravity and orbits
- Newton's law of gravitation review

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# Gravitational field strength

## Problem

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