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Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the moment of birth. The only known force a planet exerts on earth is gravitational. (a) Calculate the gravitational force exerted on a 3.00 kg baby by a 90 kg father 0.100 m away at birth (assisting so he is close). (b) Calculate the force on the baby due to Jupiter if it is at its closest to the earth, some 6.29 x 1011 m away, showing it to be comparable to that of the father. The mass of Jupiter is about 1.90 x 1027 kg. Other objects in th room and the hospital building also exert similar gravitational forces. (Of course, there could be an unknown force acting, but scientists first need to be convinced that there is even an effect, much less that an unknown force causes it.)

Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the moment of birth. The only known force a planet exerts on earth is gravitational. (a) Calculate the gravitational force exerted on a 3.00 kg baby by a 90 kg father 0.100 m away at birth (assisting so he is close). (b) Calculate the force on the baby due to Jupiter if it is at its closest to the earth, some 6.29 x 1011 m away, showing it to be comparable to that of the father. The mass of Jupiter is about 1.90 x 1027 kg. Other objects in th room and the hospital building also exert similar gravitational forces. (Of course, there could be an unknown force acting, but scientists first need to be convinced that there is even an effect, much less that an unknown force causes it.)

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter13: Gravitation
Section: Chapter Questions
Problem 46P: A geosynchronous Earth satellite is one that has an orbital period of precisely 1 day. Such orbits...
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Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the moment of birth. The only known force a planet exerts on earth is gravitational. (a) Calculate the gravitational force exerted on a 3.00 kg baby by a 90 kg father 0.100 m away at birth (assisting so he is close). (b) Calculate the force on the baby due to Jupiter if it is at its closest to the earth, some 6.29 x 1011 m away, showing it to be comparable to that of the father. The mass of Jupiter is about 1.90 x 1027 kg. Other objects in the room and the hospital building also exert similar gravitational forces. (Of course, there could be an unknown force acting, but scientists first need to be convinced that there is even an effect, much less that an unknown force causes it.)
Transcribed Image Text:Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the moment of birth. The only known force a planet exerts on earth is gravitational. (a) Calculate the gravitational force exerted on a 3.00 kg baby by a 90 kg father 0.100 m away at birth (assisting so he is close). (b) Calculate the force on the baby due to Jupiter if it is at its closest to the earth, some 6.29 x 1011 m away, showing it to be comparable to that of the father. The mass of Jupiter is about 1.90 x 1027 kg. Other objects in the room and the hospital building also exert similar gravitational forces. (Of course, there could be an unknown force acting, but scientists first need to be convinced that there is even an effect, much less that an unknown force causes it.)
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