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Tides are formed mainly due to the gravi...

Tides are formed mainly due to the gravitational force of attraction between water, the sun and the moon. Why are tides not created by the effect of other planets?

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**Step-by-Step Solution:** 1. **Understanding Tides**: Tides are the periodic rise and fall of sea levels caused by the gravitational forces exerted by celestial bodies, primarily the Moon and the Sun, on the Earth's water bodies. 2. **Role of the Moon and Sun**: The Moon is the closest celestial body to Earth, and its gravitational pull has a significant effect on the water in the oceans. The Sun also exerts a gravitational force, but its effect is less than that of the Moon due to its greater distance. 3. **Gravitational Force Equation**: The gravitational force between two objects can be described by the formula: \[ ...
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The Earth is acted upon by the gravitational force of attraction due to the sun. They why does the Earth not fall towards sun?

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Knowledge Check

  • Tides are formed due to gravitational force of

    A
    Sun on earth
    B
    Moon on earth
    C
    Earth on moon
    D
    Planets on earth

  • Planets and comets follow an elliptical path around the Sun, with the Sun lying at one of the foci of the ellipise. This motion is due to the gravitational force of attraction acting between the Sun and the planets (or comets), which is central in nature. This further implies that the angular momentum of a planet moving around the Sun is constant. When a planet is nearer the Sun, it speeds up while it slows down when it is farther away. One could also predict the time period (T) of revolution of a planet from a knowledge of its mean distance (R ) from the Sun i.e., the average of its distances from the Sun at aphellon (farthest point) and perihelion (nearest point), since T^(2) prop R^(3) This equation is also valid for circular orbits and the constant of proportionality is the same for both. A comet of mass m moves around the Sun in closed orbit which takes it to a distance of a when it is closest to the Sun and a distance of 4a when it is farthest from the Sun. Assume that the mass of the Sun is M . The gravitational potential energyof the comet varies from the aphelion to the perihelion during the course of its revolution. The maximum variation in its kinetic energy is (KE_(max)-KE_(min))

    A
    `(3GMm)/(a)`
    B
    `(5GMm)/(a)`
    C
    `(GMm)/(a)`
    D
    none of the above

  • Planets and comets follow an elliptical path around the Sun, with the Sun lying at one of the foci of the ellipise. This motion is due to the gravitational force of attraction acting between the Sun and the planets (or comets), which is central in nature. This further implies that the angular momentum of a planet moving around the Sun is constant. When a planet is nearer the Sun, it speeds up while it slows down when it is farther away. One could also predict the time period (T) of revolution of a planet from a knowledge of its mean distance (R ) from the Sun i.e., the average of its distances from the Sun at aphellon (farthest point) and perihelion (nearest point), since T^(2) prop R^(3) This equation is also valid for circular orbits and the constant of proportionality is the same for both. A comet of mass m moves around the Sun in closed orbit which takes it to a distance of a when it is closest to the Sun and a distance of 4a when it is farthest from the Sun. Assume that the mass of the Sun is M . It is observed that the total energy ( KE+ gravitational PE ) is conserved. The toal energy of the comet is

    A
    `-(3GMm)/(4a)`
    B
    `-(3GMm)/(8a)`
    C
    `-(GMm)/(5a)`
    D
    none of these

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