Question

When the earth is revolving around the Sun,
the gravitational work done by the Sun on
the earth for one complete revolution is
always:​

Answer 1

ᴛʜᴇ ɢʀᴀᴠɪᴛᴀᴛɪᴏɴᴀʟ ғᴏʀᴄᴇ ᴏғ ᴛʜᴇ sᴜɴ ᴀᴄᴛɪɴɢ ᴏɴ ᴛʜᴇ ᴇᴀʀᴛʜ ɪs ᴅɪʀᴇᴄᴛᴇᴅ ᴀʟᴏɴɢ ᴛʜᴇ ʀᴀᴅɪᴜs ᴏғ ᴏʀʙɪᴛ ᴀɴᴅ ᴛʜᴇ ᴅɪsᴘʟᴀᴄᴇᴍᴇɴᴛ ᴀʟᴏɴɢ ᴛʜᴇ ᴏʀʙɪᴛ ɪs ᴛᴀɴɢᴇɴᴛɪᴀʟ ᴛᴏ ᴛʜᴇ ғᴏʀᴄᴇ. ʜᴇɴᴄᴇ ᴡ = 0 ᴀɴᴅ sᴏ ɴᴏ ᴡᴏʀᴋ ɪs ᴅᴏɴᴇ ᴡʜᴇɴ ᴛʜᴇ ᴇᴀʀᴛʜ ᴏʀʙɪᴛs ᴛʜᴇ sᴜɴ...