Tᴡᴏ ᴘᴇʀsᴏɴs ᴍᴀɴᴀɢᴇ ᴛᴏ ᴘᴜsʜ ᴀ ᴍᴏᴛᴏʀ ᴄᴀʀ ᴏғ ᴍᴀss 1200 ᴋɢ ᴀᴛ ᴜɴɪғᴏʀᴍ ᴠᴇʟᴏᴄɪᴛʏ ᴀʟᴏɴɢ ᴀ ʟᴇᴠᴇʟ ʀᴏᴀᴅ. Tʜᴇ sᴀᴍᴇ ᴍᴏᴛᴏʀ ᴄᴀɴ ʙᴇ ᴘᴜsʜᴇᴅ ʙʏ ᴛʜʀᴇᴇ ᴘᴇʀsᴏɴs ᴛᴏ ᴘʀᴏᴅᴜᴄᴇ ᴀɴ ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ ᴏғ 0.2 ᴍ . Wɪᴛʜ ᴡʜᴀᴛ ғᴏʀᴄᴇ ᴅᴏᴇs ᴇᴀᴄʜ ᴘᴇʀsᴏɴ ᴘᴜsʜ ᴛʜᴇ ᴍᴏᴛᴏʀ ᴄᴀʀ ?

(Assᴜᴍᴇ ᴛʜᴀᴛ ᴀʟʟ ᴘᴇʀsᴏɴs ᴘᴜsʜ ᴍᴏᴛᴏʀ ᴄᴀʀ ᴡɪᴛʜ sᴀᴍᴇ ᴍᴜsᴄᴜʟᴀʀ ᴇғғᴏʀᴛ).⠀

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❥ Tᴡᴏ ᴘᴇʀsᴏɴs ᴘᴜsʜ ᴛʜᴇ ᴄᴀʀ ᴡɪᴛʜ ᴜɴɪғᴏʀᴍ ᴠᴇʟᴏᴄɪᴛʏ. Tʜɪs ᴍᴇᴀɴs ᴛʜᴇɪʀ ᴍᴜsᴄᴜʟᴀʀ ᴇғғᴏʀᴛ ɪs ᴊᴜsᴛ sᴜғғɪᴄɪᴇɴᴛ ᴛᴏ ᴄᴀɴᴄᴇʟ ᴛʜᴇ ᴇғғᴇᴄᴛ ᴏғ ғᴏʀᴄᴇ ᴏғ ғʀɪᴄᴛɪᴏɴ.

❥ Fᴏʀᴄᴇ ᴀᴘᴘʟɪᴇᴅ ʙʏ ᴛʜɪʀᴅ ᴘᴇʀsᴏɴ ᴘʀᴏᴅᴜᴄᴇs ᴀɴ ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ ᴏғ 0.2 ᴍ ᴛᴏ ᴀ ᴍᴀss ᴏғ 1200 ᴋɢ.

☆ Fᴏʀᴄᴇ ᴀᴘᴘʟɪᴇᴅ ʙʏ ᴇᴀᴄʜ ᴘᴇʀsᴏɴ ɪs 240 N.

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⠀⠀⠀⠀⠀ ⠀⠀нσρє ıт нєłρs

⠀⠀⠀⠀ ⠀⠀⠀ωıтн яєgαя∂s

⠀⠀⠀⠀ ⠀⠀⠀❤αя + ηαѵ❤

Tᴡᴏ ᴘᴇʀsᴏɴs ᴘᴜsʜ ᴛʜᴇ ᴄᴀʀ ᴡɪᴛʜ ᴜɴɪғᴏʀᴍ ᴠᴇʟᴏᴄɪᴛʏ. Tʜɪs ᴍᴇᴀɴs ᴛʜᴇɪʀ ᴍᴜsᴄᴜʟᴀʀ ᴇғғᴏʀᴛ ɪs ᴊᴜsᴛ sᴜғғɪᴄɪᴇɴᴛ ᴛᴏ ᴄᴀɴᴄᴇʟ ᴛʜᴇ ᴇғғᴇᴄᴛ ᴏғ ғᴏʀᴄᴇ ᴏғ ғʀɪᴄᴛɪᴏɴ.

❥ Fᴏʀᴄᴇ ᴀᴘᴘʟɪᴇᴅ ʙʏ ᴛʜɪʀᴅ ᴘᴇʀsᴏɴ ᴘʀᴏᴅᴜᴄᴇs ᴀɴ ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ ᴏғ 0.2 ᴍ \sf{{s}^{-2}}s

−2

ᴛᴏ ᴀ ᴍᴀss ᴏғ 1200 ᴋɢ.

\sf{M~=~1200~kg~;~a~=~0.2~m~{s}^{-2}}M = 1200 kg ; a = 0.2 m s

−2

\sf{F~=~m~×~a~=~1200~×~0.2}F = m × a = 1200 × 0.2

\sf{F~=~240~N}F = 240 N

☆ Fᴏʀᴄᴇ ᴀᴘᴘʟɪᴇᴅ ʙʏ ᴇᴀᴄʜ ᴘᴇʀsᴏɴ ɪs 240 N.

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