Question

describe an activity that gives an understanding of 'electrostatic force'​

Answer 1

ᴘʀᴏᴄᴇᴅᴜʀᴇ

sᴀғᴇᴛʏ ɴᴏᴛᴇ: ᴇʟᴇᴄᴛʀᴏsᴛᴀᴛɪᴄ ғᴏʀᴄᴇs ᴀʀᴇ ᴠᴇʀʏ sᴇɴsɪᴛɪᴠᴇ ᴛᴏ ᴛʜᴇ ᴇɴᴠɪʀᴏɴᴍᴇɴᴛ. ᴀs ʏᴏᴜ ᴄᴏɴᴅᴜᴄᴛ ᴛʜɪs ᴀᴄᴛɪᴠɪᴛʏ, ʙᴇ ᴄᴀʀᴇғᴜʟ ɴᴏᴛ ᴛᴏ ɢᴇᴛ ғɪɴɢᴇʀᴘʀɪɴᴛs ᴏɴ ᴛʜᴇ ᴍᴀᴛᴇʀɪᴀʟs. ᴅᴏ ɴᴏᴛ ᴀʟʟᴏᴡ ᴛʜᴇ ᴍᴀᴛᴇʀɪᴀʟs ᴛᴏ ᴛᴏᴜᴄʜ ʏᴏᴜʀ ᴄʟᴏᴛʜɪɴɢ. ᴍᴀᴋᴇ sᴜʀᴇ ᴄʟᴀssʀᴏᴏᴍ ᴡɪɴᴅᴏᴡs ᴀʀᴇ ᴄʟᴏsᴇᴅ. ʙᴇᴄᴀᴜsᴇ ʜᴜᴍɪᴅɪᴛʏ ɢʀᴇᴀᴛʟʏ ᴀғғᴇᴄᴛs ᴇʟᴇᴄᴛʀᴏsᴛᴀᴛɪᴄ ғᴏʀᴄᴇs, ᴄᴏɴᴅᴜᴄᴛ ᴛʜᴇ ᴀᴄᴛɪᴠɪᴛʏ ɪɴ ᴀɴ ᴀɪʀ-ᴄᴏɴᴅɪᴛɪᴏɴᴇᴅ ʀᴏᴏᴍ. ᴅᴏ ɴᴏᴛ ᴄᴏɴᴅᴜᴄᴛ ᴛʜɪs ᴀᴄᴛɪᴠɪᴛʏ ᴏɴ ᴀ ᴍᴇᴛᴀʟ ᴛᴀʙʟᴇ. ʏᴏᴜ ᴍᴀʏ ʜᴀᴠᴇ ᴛᴏ ʀᴇᴘᴇᴀᴛ ᴇᴀᴄʜ sᴛᴇᴘ sᴇᴠᴇʀᴀʟ ᴛɪᴍᴇs, ᴛᴀᴋɪɴɢ ᴛʜᴇsᴇ ᴘʀᴇᴄᴀᴜᴛɪᴏɴs ᴇᴀᴄʜ ᴛɪᴍᴇ.

ᴄʟᴇᴀɴ ᴛʜᴇ ʜᴀʀᴅ-ʀᴜʙʙᴇʀ ᴄᴏᴍʙ ᴀɴᴅ ɢʟᴀss ʀᴏʙ. ʀᴇᴍᴏᴠᴇ ᴀʟʟ ᴏғ ᴛʜᴇ ᴡᴀᴛᴇʀ ᴡɪᴛʜ ᴀ ᴛᴏᴡᴇʟ.

ᴛᴇᴀʀ ᴜᴘ ᴛʜᴇ ᴘᴀᴘᴇʀ ɪɴᴛᴏ ᴛɪɴʏ ᴘɪᴇᴄᴇs. ᴍᴀᴋᴇ ᴀ sᴍᴀʟʟ ᴘɪʟᴇ ᴏғ ᴛʜᴇ ᴘɪᴇᴄᴇs ᴏғ ᴘᴀᴘᴇʀ.

ᴘʀᴏᴅᴜᴄᴇ ᴀ ɴᴇɢᴀᴛɪᴠᴇ (–) ᴄʜᴀʀɢᴇ ᴏɴ ᴛʜᴇ ᴄᴏᴍʙ ʙʏ ʀᴀᴘɪᴅʟʏ ᴘᴀssɪɴɢ ɪᴛ ᴛʜʀᴏᴜɢʜ ᴅʀʏ, ɢʀᴇᴀsᴇʟᴇss ʜᴀɪʀ (sᴛʀᴀɪɢʜᴛ ʜᴀɪʀ ᴡᴏʀᴋs ʙᴇsᴛ). ʙʀɪɴɢ ᴛʜᴇ ᴄʜᴀʀɢᴇᴅ ᴄᴏᴍʙ ɴᴇᴀʀ ᴛʜᴇ ᴘɪʟᴇ. ʀᴇᴄᴏʀᴅ ᴡʜᴀᴛ ʏᴏᴜ ᴏʙsᴇʀᴠᴇ.

ᴘʀᴏᴅᴜᴄᴇ ᴀ ᴘᴏsɪᴛɪᴠᴇ (+) ᴄʜᴀʀɢᴇ ᴏɴ ᴀ ɢʟᴀss ʀᴏᴅ ʙʏ ʀᴀᴘɪᴅʟʏ ʀᴜʙʙɪɴɢ ɪᴛ ᴡɪᴛʜ sɪʟᴋ ᴏʀ ɴʏʟᴏɴ. ʙʀɪɴɢ ᴛʜᴇ ᴄʜᴀʀɢᴇᴅ ʀᴏᴅ ɴᴇᴀʀ ᴛʜᴇ ᴘɪʟᴇ. ʀᴇᴄᴏʀᴅ ᴡʜᴀᴛ ʏᴏᴜ ᴏʙsᴇʀᴠᴇ.

sᴇᴛ ᴜᴘ ᴛʜᴇ ʀɪɴɢ sᴛᴀɴᴅ ᴀɴᴅ ʜᴀɴɢɪɴɢ ᴏʙᴊᴇᴄᴛs.

ᴀᴛᴛᴀᴄʜ ᴛʜᴇ ʀɪɴɢ sᴛᴀɴᴅ ᴀɴᴅ ʀɪɴɢ.

ᴛɪᴇ ᴏɴᴇ ᴏғ ᴛʜᴇ ᴘɪᴇᴄᴇs ᴏғ ᴘᴏʟʏsᴛʏʀᴇɴᴇ ғᴏᴀᴍ ᴛᴏ ᴀ ᴘɪᴇᴄᴇ ᴏғ sᴛʀɪɴɢ. ᴛɪᴇ ᴀ sᴍᴀʟʟ sᴛʀɪᴘ ᴏғ ᴀʟᴜᴍɪɴᴜᴍ ғᴏɪʟ ᴛᴏ ᴛʜᴇ ᴏᴛʜᴇʀ ᴘɪᴇᴄᴇ ᴏғ sᴛʀɪɴɢ.

ᴛɪᴇ ᴛʜᴇ sᴛʀɪɴɢs ᴛᴏ ᴏᴘᴘᴏsɪᴛᴇ sɪᴅᴇs ᴏғ ᴛʜᴇ ʀɪɴɢ. ᴛʜᴇ ᴏʙᴊᴇᴄᴛs sʜᴏᴜʟᴅ ʜᴀɴɢ ᴀᴛ ᴛʜᴇ sᴀᴍᴇ ʜᴇɪɢʜᴛ.

ᴏʙsᴇʀᴠᴇ ʜᴏᴡ ɴᴇɢᴀᴛɪᴠᴇʟʏ ᴄʜᴀʀɢᴇᴅ ᴏʙᴊᴇᴄᴛs ɪɴᴛᴇʀᴀᴄᴛ. ʀᴇᴄᴏʀᴅ ᴀʟʟ ᴏғ ʏᴏᴜʀ ᴏʙsᴇʀᴠᴀᴛɪᴏɴs.

ᴄʜᴀʀɢᴇ ᴛʜᴇ ᴄᴏᴍʙ (–) ᴀɴᴅ ʙʀɪɴɢ ɪᴛ ɴᴇᴀʀ ᴛʜᴇ ᴘᴏʟʏsᴛʏʀᴇɴᴇ ғᴏᴀᴍ ᴘɪᴇᴄᴇ.

ᴄʜᴀʀɢᴇ ᴛʜᴇ ᴄᴏᴍʙ (–) ᴀɴᴅ ʙʀɪɴɢ ɪᴛ ɴᴇᴀʀ ᴛʜᴇ ғᴏɪʟ ᴘɪᴇᴄᴇ.

ɢɪᴠᴇ ʙᴏᴛʜ ᴛʜᴇ ᴘᴏʟʏsᴛʏʀᴇɴᴇ ғᴏᴀᴍ ᴀɴᴅ ᴛʜᴇ ғᴏɪʟ ᴀ ɴᴇɢᴀᴛɪᴠᴇ (–) ᴄʜᴀʀɢᴇ ᴡɪᴛʜ ᴛʜᴇ ᴄᴏᴍʙ ʙʏ ᴛᴏᴜᴄʜɪɴɢ ᴛʜᴇᴍ ᴡɪᴛʜ ᴀ ᴄʜᴀʀɢᴇᴅ (–) ᴄᴏᴍʙ.

ʀᴇ-ᴄʜᴀʀɢᴇ ᴛʜᴇ ᴄᴏᴍʙ (–) ᴀɴᴅ ᴀɢᴀɪɴ ʙʀɪɴɢ ɪᴛ ɴᴇᴀʀ ᴛʜᴇ ᴘᴏʟʏsᴛʏʀᴇɴᴇ ғᴏᴀᴍ ᴀɴᴅ ᴛʜᴇ ғᴏɪʟ.

ʙʀɪɴɢ ᴛʜᴇ ᴄʜᴀʀɢᴇᴅ ᴘᴏʟʏsᴛʏʀᴇɴᴇ ғᴏᴀᴍ ᴀɴᴅ ғᴏɪʟ ᴀs ᴄʟᴏsᴇ ᴀs ʏᴏᴜ ᴄᴀɴ ᴡɪᴛʜᴏᴜᴛ ᴛᴏᴜᴄʜɪɴɢ.

ᴅɪsᴄʜᴀʀɢᴇ ᴛʜᴇ ᴘᴏʟʏsᴛʏʀᴇɴᴇ ғᴏᴀᴍ ᴀɴᴅ ғᴏɪʟ ʙʏ ᴛᴏᴜᴄʜɪɴɢ ᴛʜᴇᴍ ᴡɪᴛʜ ʏᴏᴜʀ ʜᴀɴᴅ.

ᴏʙsᴇʀᴠᴇ ʜᴏᴡ ᴘᴏsɪᴛɪᴠᴇʟʏ ᴄʜᴀʀɢᴇᴅ ᴏʙᴊᴇᴄᴛs ɪɴᴛᴇʀᴀᴄᴛ. ʀᴇᴄᴏʀᴅ ᴀʟʟ ᴏғ ʏᴏᴜʀ ᴏʙsᴇʀᴠᴀᴛɪᴏɴs.

ᴄʜᴀʀɢᴇ ᴛʜᴇ ɢʟᴀss ʀᴏᴅ (+).

ʀᴇᴘᴇᴀᴛ ᴘʀᴏᴄᴇᴅᴜʀᴇs ᴄ ᴀɴᴅ ᴅ ᴡɪᴛʜ ᴛʜᴇ ᴄʜᴀʀɢᴇᴅ ɢʟᴀss ʀᴏᴅ.

Answer 2

Answer:

ACTIVITY: Rub a comb through your dry hair(not oiled hair) for sometime. ... When the comb is rubbed in your dry hair, it acquires a property called electrostatic charge. Electrostatic charge can exert a force called electrostatic force. It is because of this force that the bits of paper gets attracted to your comb

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