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Tidal Forces and Tides Quiz

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Questions and Answers

What is the primary force responsible for causing tides?

Nuclear force

Tidal force (correct)

Electromagnetic force

Centrifugal force

Which of the following is NOT an effect of tidal forces?

Changing the levels of oceans

Causing mountains to rise and fall

Distorting galaxies

Causing the Earth's rotation to slow down (correct)

What is the primary reason we don't 'fall' towards the moon despite its gravitational attraction?

The Earth's gravity is stronger than the moon's gravity (correct)

The Earth's rotation counteracts the moon's gravitational pull

The moon's gravity is not strong enough to overcome air resistance

The moon's gravity is not constant and fluctuates

What is the main factor that determines the strength of a tidal force?

The distance between the two bodies (B) Signup and view all the answers

Which of the following statements is true about the relationship between the Earth and the moon?

Both the Earth and the moon attract each other due to gravity (D) Signup and view all the answers

What is the primary reason for the changing levels of the oceans?

Tidal forces caused by the sun and moon (D) Signup and view all the answers

Which of the following is NOT mentioned as an effect of tidal forces in the text?

Causing the Earth's atmosphere to expand (C) Signup and view all the answers

Why are the tides caused by the sun less pronounced than those caused by the moon?

The sun's tidal acceleration is approximately half that of the moon's (B) Signup and view all the answers

What is the primary reason the oceans are more affected by the moon's gravity than a person's body?

The oceans are much larger than a person's body (C) Signup and view all the answers

What is the main reason the Earth's solid parts deform less than the oceans due to the moon's gravity?

The solid parts are more rigid and less deformable than water (A) Signup and view all the answers

What is the primary reason for the occurrence of spring tides?

The sun and moon's gravitational forces are aligned (C) Signup and view all the answers

What is the main reason for the occurrence of neap tides?

The sun and moon's gravitational forces are at right angles to each other (C) Signup and view all the answers

What is the maximum tidal distortion of the solid parts of the Earth compared to the oceans?

The solid parts deform about 20 cm, while the oceans deform up to 3 feet (D) Signup and view all the answers

How do factors such as latitude, winds, and the shape of the shore affect the general rule of tides rising and falling twice in 24 hours?

They can alter the frequency of tides rising and falling (C) Signup and view all the answers

What is the main reason the Earth's solid parts are deformed by the moon's gravity, even though they are less deformed than the oceans?

The moon's gravity pulls the solid parts of Earth into an elongated shape (C) Signup and view all the answers