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Weight of Satellite around earth

  • Thread starter layla2525
  • Start date
  • #1
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Homework Statement



A satellite sitting on the ground has a weight of 5000 N. When it is placed in orbit 500 km above the surface of the Earth (which has a radius of 6380 km), which choice best describes its weight?

Very small but slightly greater than zero.

Zero.

Still 5000 N.

Slightly less than 5000 N.

Homework Equations





The Attempt at a Solution



Do I use the equation W=G(Me m/ r^2)
 

Answers and Replies

  • #2
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The Attempt at a Solution



Do I use the equation W=G(Me m/ r^2)
Yes!
 
  • #3
Bandersnatch
Science Advisor
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Ah, but how much do you weigh when you're in freefall?
In other words, imagine weighing yourself in the ISS. What would the spring scale read?
 

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