A satellite of mass M moves in a circular orbit of radius R at a constant speed v. Which of theI. The net force on the satellite is equal to Mv/R and is directed toward the center of the orbit.II. The net work done on the satellite by gravity in a half of a revolution is zero.III. The angular momentum of the satellite is a constant.following must be true?a. Il onlyb. I, II, and IIc. I and III onlyo d. Il and III onlyO e. l only

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A satellite of mass M moves in a circular orbit of radius R at a constant speed v Which of the following must be true?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter13: Universal Gravitation

Section: Chapter Questions

Problem 13.48P

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Central Force

Central force is the force that acts along the center of mass of one body to the center of mass of another body. Its direction from or away from a point on a body to another is called the center of the force. Such forces include gravitational force between two massive objects or electrostatic forces between two charged particles. So from atoms to planets, the central forces play an important role in shaping our daily lives. One of the remarkable features of central forces is that they are conservative, i.e. the total energy of a central force system can always be expressed as a gradient of a potential energy function.

Question

A satellite of mass M moves in a circular orbit of radius R at a constant speed v. Which of the
I. The net force on the satellite is equal to Mv/R and is directed toward the center of the orbit.
II. The net work done on the satellite by gravity in a half of a revolution is zero.
III. The angular momentum of the satellite is a constant.
following must be true?
a. Il only
b. I, II, and II
c. I and III only
o d. Il and III only
O e. l only

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