Question

whose gravitational pull acts on the satellite to keep it in the circular path?​

Answer 1

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• sᴀᴛᴇʟʟɪᴛᴇ ᴀʟᴡᴀʏs ɪs ᴀᴛᴛʀᴀᴄᴛᴇᴅ ʙʏ ᴀ ɢʀᴀᴠɪᴛᴀᴛɪᴏɴᴀʟ ғᴏʀᴄᴇ ᴀɴᴅ ʜᴇɴᴄᴇ ɪs ᴀ ғʀᴇᴇʟʏ ғᴀʟʟɪɴɢ ʙᴏᴅʏ. ɪᴛ ɪs ᴍᴏᴠɪɴɢ ᴡɪᴛʜ ᴀ ᴄᴏɴsᴛᴀɴᴛ sᴘᴇᴇᴅ. ᴛʜᴇ ɢʀᴀᴠɪᴛᴀᴛɪᴏɴᴀʟ ғᴏʀᴄᴇ ᴀᴄᴛs ᴛᴏᴡᴀʀᴅs ᴛʜᴇ ᴄᴇɴᴛᴇʀ ᴏғ ᴛʜᴇ ᴇᴀʀᴛʜ ᴡʜɪᴄʜ ᴘʀᴏᴠɪᴅᴇs ᴛʜᴇ ɴᴇᴄᴇssᴀʀʏ ᴄᴇɴᴛʀɪᴘᴇᴛᴀʟ ғᴏʀᴄᴇ ᴛᴏ ᴋᴇᴇᴘ sᴀᴛᴇʟʟɪᴛᴇ ɪɴ ᴀ ᴄɪʀᴄᴜʟᴀʀ ᴏʀʙɪᴛ.

Answer 2

Satellite always is attracted by a gravitational force and hence is a freely falling body. It is moving with a constant speed. The gravitational force acts towards the center of the earth which provides the necessary centripetal force to keep satellite in a circular orbit.