The Force Exerted on the Moon (Figure 1)shows the Earth, Moon, and Sun (not to scale) in their relative positions at the time when the Moon is in its third-quarter phase. Though few people realize it, the force exerted on the Moon by the Sun is actually greater than the force exerted on the Moon by the Earth. In fact, the force exerted on the Moon by the Sun has a magnitude of FSM = 4.34 × 102⁰ N, whereas the force exerted by the Earth has a magnitude of only FEM = 1.98 x 1020 N. These forces are indicated to scale in the figure. Figure FEM 4 Moon Earth ESM Sun 1 of 1 >

The Force Exerted on the Moon (Figure 1)shows the Earth, Moon, and Sun (not to scale) in their relative positions at the time when the Moon is in its third-quarter phase. Though few people realize it, the force exerted on the Moon by the Sun is actually greater than the force exerted on the Moon by the Earth. In fact, the force exerted on the Moon by the Sun has a magnitude of FSM = 4.34 × 102⁰ N, whereas the force exerted by the Earth has a magnitude of only FEM = 1.98 x 1020 N. These forces are indicated to scale in the figure. Figure FEM 4 Moon Earth ESM Sun 1 of 1 >

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter11: Gravity, Planetary Orbits, And The Hydrogen Atom

Section: Chapter Questions

Problem 3OQ

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The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force F SM that the sun exerts on the moon is perpendicular to the force F EM that the earth exerts on the moon. The masses are: mass of sun = 1.99 × 1030 kg, mass of earth = 5.98 x 1024 kg, mass of moon = 7.35 x 1022 kg. The distances shown in the drawing are rsM = 1.50 x 1011 m and rEM = 3.85 x 10° m. Determine the magnitude of the net gravitational force on the moon. rSM Moon Sun FEM Earth Number i Units
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The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force F SM that the sun exerts on the moon is perpendicular to the force F EM that the earth exerts on the moon. The masses are: mass of sun = 1.99 x 1030 kg, mass of earth = 5.98 x 1024 kg, mass of moon = 7.35 x 1022 kg. The distances shown in the drawing are rsM = 1.50 × 1011 m and rEM = 3.85 × 10° m. Determine the magnitude of the net gravitational force on the moon.
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