Multiple Choice
Which statement accurately describes the force between two tectonic plates according to Newton's Law of Gravity?
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8. Centripetal Forces & Gravitation
Newton's Law of Gravity
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following factors is primarily responsible for the seasonal changes on Earth?
A
The tilt of Earth's axis relative to its orbit around the Sun
B
The distance between Earth and the Sun
C
The gravitational pull of the Moon
D
The rotation of Earth on its axis
Verified step by step guidance1
Begin by understanding the concept of Earth's axial tilt. Earth's axis is tilted at an angle of approximately 23.5 degrees relative to its orbit around the Sun. This tilt is crucial in determining the seasons.
Consider how the tilt affects sunlight distribution. As Earth orbits the Sun, the tilt causes different parts of Earth to receive varying amounts of sunlight at different times of the year, leading to seasonal changes.
Examine the role of Earth's orbit. While the distance between Earth and the Sun does change slightly during the year, this variation is not significant enough to cause seasons. The axial tilt is the primary factor.
Evaluate the gravitational pull of the Moon. The Moon's gravity affects tides but does not influence Earth's seasons. Seasons are determined by the axial tilt and orbit around the Sun.
Understand Earth's rotation. While Earth's rotation on its axis causes day and night, it does not affect the seasons. The axial tilt relative to the orbit is the key factor for seasonal changes.
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