. What is that which provides the necessary centripetal force in the following cases? Also find work done by centripetal force. (i) The earth going round the sun (ii) Electrons revolving round the nucleus of an atom?

Open in App

Solution

(i) Gravitational force acting on the Earth due to Sun acts as centripetal force
(ii) Electrostatic force acting on the electrons due to positively charged nucleus acts as centripetal force

Work done by the centripetal force = zero

Suggest Corrections

Similar questions

In an atom for the electron to revolve around the nucleus, the necessary centripetal force is obtained from the following force exerted by the nucleus on the electron

Q. Work done by centripetal force in revolving a satellite around the earth is

Q. An electron is revolving around the nucleus of hydrogen atom. If

F

is centripetal force on the electron in

2 n d

orbit then the centripetal force on it in

1 s t

orbit is:

Q. The centripetal force acting on a satellite revolving round the earth is

F

. The gravitational force on that planet is also

F

. The resultant force on the satellite is

Q. According to Bohr's atomic model, which force provides the required centripetal force for revolution of electrons around the nucleus?

Join BYJU'S Learning Program

. What is that which provides the necessary centripetal force in the following cases? Also find work done by centripetal force. (i) The earth going round the sun (ii) Electrons revolving round the nucleus of an atom?

(i) Gravitational force acting on the Earth due to Sun acts as centripetal force (ii) Electrostatic force acting on the electrons due to positively charged nucleus acts as centripetal force Work done by the centripetal force = zero

(i) Gravitational force acting on the Earth due to Sun acts as centripetal force
(ii) Electrostatic force acting on the electrons due to positively charged nucleus acts as centripetal force

Work done by the centripetal force = zero