What is the magnitude of the gravitational force acting on the earth due to the sun?

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m2
m1
Transcribed Image Text:1 of 2 Figure m2 m1
Understanding Newton's Law of Universal Gravitation
3 of 3
Constants
Learning Goal:
To understand Newton's law of universal gravitation
and be able to apply it in two-object situations and
(collinear) three-object situations; to distinguish
between the use of G and q.
Consider the earth following its nearly circular orbit (dashed curve) about the sun. (Figure 2) The earth
has mass mearth = 5.98 x 10 kg and the sun has mass msun=1.99 x 1030 kg. They are
separated, center to center, by r = 93 million miles = 150 million km.
In the late 1600s, Isaac Newton proposed a rule to
quantify the attractive force known as gravity between
objects that have mass, such as those shown in the
figure. (Figure 1) Newton's law of universal gravitation
describes the magnitude of the attractive gravitational
Part A
force Fg between two objects with masses mj and m2
What is the magnitude of the gravitational force acting on the earth due to the sun?
as
Express your answer in newtons.
F, = G()
where r is the distance between the centers of the two
objects and G is the gravitational constant.
The gravitational force is attractive, so in the figure it
pulls to the right on m1 (toward m2) and toward the left
on m2 (toward m1). The gravitational force acting on
Transcribed Image Text:Understanding Newton's Law of Universal Gravitation 3 of 3 Constants Learning Goal: To understand Newton's law of universal gravitation and be able to apply it in two-object situations and (collinear) three-object situations; to distinguish between the use of G and q. Consider the earth following its nearly circular orbit (dashed curve) about the sun. (Figure 2) The earth has mass mearth = 5.98 x 10 kg and the sun has mass msun=1.99 x 1030 kg. They are separated, center to center, by r = 93 million miles = 150 million km. In the late 1600s, Isaac Newton proposed a rule to quantify the attractive force known as gravity between objects that have mass, such as those shown in the figure. (Figure 1) Newton's law of universal gravitation describes the magnitude of the attractive gravitational Part A force Fg between two objects with masses mj and m2 What is the magnitude of the gravitational force acting on the earth due to the sun? as Express your answer in newtons. F, = G() where r is the distance between the centers of the two objects and G is the gravitational constant. The gravitational force is attractive, so in the figure it pulls to the right on m1 (toward m2) and toward the left on m2 (toward m1). The gravitational force acting on
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