WHAT IS THE ROLE OF SIMPLE MACHINES?
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ᴛʜᴇ ʙᴀsɪᴄ ᴘᴜʀᴘᴏsᴇ ғᴏʀ ᴡʜɪᴄʜ ᴍᴏsᴛ sɪᴍᴘʟᴇ ᴍᴀᴄʜɪɴᴇs ᴀʀᴇ ᴅᴇsɪɢɴᴇᴅ ɪs ᴛᴏ ʀᴇᴅᴜᴄᴇ ᴛʜᴇ ᴇғғᴏʀᴛ (ғᴏʀᴄᴇ) ʀᴇǫᴜɪʀᴇᴅ ᴛᴏ ᴘᴇʀғᴏʀᴍ ᴀ sɪᴍᴘʟᴇ ᴛᴀsᴋ. ᴛᴏ ᴀᴄʜɪᴇᴠᴇ ᴛʜɪs, ᴛʜᴇ ғᴏʀᴄᴇ ᴀᴘᴘʟɪᴇᴅ ᴍᴜsᴛ ᴀᴄᴛ ᴏᴠᴇʀ ᴀ ʟᴏɴɢᴇʀ ᴅɪsᴛᴀɴᴄᴇ ᴏʀ ᴘᴇʀɪᴏᴅ ᴏғ ᴛɪᴍᴇ ʀᴇsᴜʟᴛɪɴɢ ɪɴ ᴛʜᴇ sᴀᴍᴇ ᴀᴍᴏᴜɴᴛ ᴏғ ᴡᴏʀᴋ ʙᴇɪɴɢ ᴘᴇʀғᴏʀᴍᴇᴅ ʙʏ ᴀ sᴍᴀʟʟᴇʀ ғᴏʀᴄᴇ.
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simple machine: A machine with few or no moving parts that is used to make work easier (provides a mechanical advantage). For example, a wedge, wheel and axle, lever, inclined plane, screw, or pulley.
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