Just in case you're in a hurry, let me assist you by emphasizing that the key concepts of 'simple machines include: lever, screw, pulley, wheel & wheel axle, inclined plane, and wedge. So, from these everyday things you or you and your parents use, I have every confidence that you'll be able to categorize each correctly by yourself (smile) - - - which include (but are not limited to): Basketball Hoop, Door Knob, Doorstop, Drill Bits, Paper Cutter, BICYCLE tires/seats/chains brake(s), Hedge Clips, Wheelbarrow, Tape Dispenser, and Stapler.
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