Is Work Done by a Satellite Related to its Mass and Displacement?

In summary, the work done by a satellite is the energy expended in performing its tasks, calculated by multiplying the force acting on it by the distance it moves. This work is affected by factors such as the satellite's mass, distance traveled, and external forces. The work done is directly related to the satellite's energy, which can increase or decrease depending on the work performed. It is possible for the work done by a satellite to be negative if the force acts in the opposite direction of its motion.
  • #1
labview1958
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Homework Statement





Homework Equations


What is the work done by a satellite moving around the Earth at constant altitude. Work done = Force x displacement. The satellite has a mass and displacement. Should it have work?



The Attempt at a Solution


 
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  • #2
hi labview1958! :wink:
labview1958 said:
Work done = Force x displacement.

no NO NO!

work done = force "dot" displacement :smile:
 

1. What is work done by a satellite?

The work done by a satellite is the energy expended by the satellite to perform its tasks, such as maintaining its orbit or transmitting data. It is a measure of the amount of force exerted over a certain distance.

2. How is work done by a satellite calculated?

The work done by a satellite is calculated by multiplying the force acting on the satellite by the distance it moves in the direction of the force. This can be represented by the equation W = F x d, where W is work, F is force, and d is distance.

3. What factors affect the work done by a satellite?

The work done by a satellite is affected by the mass of the satellite, the distance it travels, and the force acting on it. Other factors such as atmospheric drag and gravitational pull from other bodies can also impact the work done by a satellite.

4. How does work done by a satellite relate to its energy?

The work done by a satellite is directly related to its energy. As the satellite performs work, it expends its energy. Conversely, if work is done on the satellite, such as through a rocket boost, its energy will increase.

5. Can the work done by a satellite be negative?

Yes, the work done by a satellite can be negative. This can occur when the force acting on the satellite is in the opposite direction of its motion, resulting in the satellite losing energy. An example of this is when a satellite is de-orbited and falls back to Earth.

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