define acceleration!¡!!!!!!
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A point or an object moving in a straight line is accelerated if it speeds up or slows down. Motion on a circle is accelerated even if the speed is constant, because the direction is continually changing. For all other kinds of motion, both effects contribute to the acceleration.
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Aᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ ɪs ᴛʜᴇ ɴᴀᴍᴇ ᴡᴇ ɢɪᴠᴇ ᴛᴏ ᴀɴʏ ᴘʀᴏᴄᴇss ᴡʜᴇʀᴇ ᴛʜᴇ ᴠᴇʟᴏᴄɪᴛʏ ᴄʜᴀɴɢᴇs. Sɪɴᴄᴇ ᴠᴇʟᴏᴄɪᴛʏ ɪs ᴀ sᴘᴇᴇᴅ ᴀɴᴅ ᴀ ᴅɪʀᴇᴄᴛɪᴏɴ, ᴛʜᴇʀᴇ ᴀʀᴇ ᴏɴʟʏ ᴛᴡᴏ ᴡᴀʏs ғᴏʀ ʏᴏᴜ ᴛᴏ ᴀᴄᴄᴇʟᴇʀᴀᴛᴇ: ᴄʜᴀɴɢᴇ ʏᴏᴜʀ sᴘᴇᴇᴅ ᴏʀ ᴄʜᴀɴɢᴇ ʏᴏᴜʀ ᴅɪʀᴇᴄᴛɪᴏɴ—ᴏʀ ᴄʜᴀɴɢᴇ ʙᴏᴛʜ. ... Aɴʏ ᴏғ ᴛʜᴇsᴇ ᴡᴏᴜʟᴅ ʙᴇ ᴄᴏɴsɪᴅᴇʀᴇᴅ ᴀɴ ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ sɪɴᴄᴇ ᴛʜᴇʏ ᴄʜᴀɴɢᴇ ᴠᴇʟᴏᴄɪᴛʏ.
- Hᴏᴘᴇ ɪᴛ ᴡɪʟʟ ʜᴇʟᴘ ʏᴏᴜ ᴅᴇᴀʀ!!!
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