Question

Which of the following statements is false about the motion of planets about the sun?
a The force of gravity is the only force which acts upon the planets.

b The planets which are far from the sun have the greatest period.

c The speed of the planet is greatest when the planet is closet to the sun.

d All planets experience a force in the direction of the motion​

Answer 1

Answer:

a). the force of gravity is the only force which acts upon the planets

Answer 2

a) the force of gravity is the only force which acts upon the planets