Multiple Choice
What is the primary cause of Earth's seasons according to Newton's Law of Gravity?
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8. Centripetal Forces & Gravitation
Newton's Law of Gravity
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When the Earth, Moon, and Sun are aligned in a straight line, what type of tide is created?
A
Spring tide
B
High tide
C
Neap tide
D
Low tide
Verified step by step guidance1
Understand the concept of tides: Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon, Sun, and the rotation of the Earth.
Identify the alignment of celestial bodies: When the Earth, Moon, and Sun are aligned in a straight line, this alignment is known as syzygy.
Recognize the effect of syzygy on tides: During syzygy, the gravitational forces of the Moon and the Sun combine to exert a stronger pull on the Earth's oceans.
Determine the type of tide: The combined gravitational pull during syzygy results in higher high tides and lower low tides, known as spring tides.
Differentiate from other tides: Spring tides occur during the full moon and new moon phases, unlike neap tides, which occur when the Sun and Moon are at right angles to each other, resulting in less extreme tides.
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