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Course: High school physics?>?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
- Newton's law of gravitation review
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Gravitational field strength
Problem
The planet Gallifrey has times the gravitational field strength and times the radius of the Earth.
How does the mass of the planet Gallifrey compare with the mass of Earth?