Kepler's Laws

What type of orbits do planets follow according to Kepler's laws?

• Hyperbolic

• Elliptical

• Parabolic

• Circular

What is the Law of Harmonies in Kepler's laws of motion?

• The Law of Harmonies states that the speed of a planet is constant throughout its orbit.

• The Law of Harmonies states that planets move in perfect circles.

• The Law of Harmonies states that the distance between planets is constant.

• The Law of Harmonies in Kepler's laws of motion states that the square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit.

How does the orbital period of a planet change with its distance from the sun?

• The orbital period of a planet decreases with its distance from the sun.

• The orbital period of a planet remains constant regardless of its distance from the sun.

• The orbital period of a planet is not affected by its distance from the sun.

• The orbital period of a planet increases with its distance from the sun.

What force is responsible for keeping planets in their orbits according to Kepler's laws?

• Electrostatic force

• Gravitational force

• Magnetic force

• Centrifugal force

Explain the concept of planetary motion as described by Kepler's laws.

• Kepler's laws suggest that planets have irregular and unpredictable paths

• Kepler's laws describe planetary motion as circular orbits with the sun at the center

• Kepler's laws state that planets move at constant speeds along their orbits

• Kepler's laws describe planetary motion as elliptical orbits with the sun at one focus, equal area sweep-out, and a relationship between orbital period and semi-major axis.