Question

no work is done by planets while moving around the sun.
give scientific reason

please answer fast it's urgent​

Answer 1

The work done on the planet by the gravitational force of the Sun. ... When a planet is on the major axis of the orbit, gravitational force on the planet is nomal to its motion. So, no work is done. As that energy remains the same, no work is done in complete revolution

Answer 2

Answer:

The work done by earth on the sun isZERO because the force acting on earth by the sun is the centriptal force and it works in 90 degree and the value of cos 90 is equal to 0. work done by the earth is zero in this case.