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The Science Museum at the Franklin Institute
A Force Thats Always
Simple Machines to Move Us
1 other sections not shown
AAAAAAAAAAA EXPLORING AAAAAAAAAAA INVESTIGATION acceleration accelerometer air car air pressure air resistance apply balance ball balloon rocket bike block slide bottom center of mass clothespin Color Plate constant speed continue to move cork direction earth effort force exerts floor force acts force needed force of gravity Franklin Institute friction fraction fulcrum Galileo happens hole inclined plane Investigation 5-1 law of motion lever lift marble Materials needed measure friction measure the force meter stick momentum needed to move needed to pull Newton paper clips path pencil pendulum pulley push Repeat the experiment resistance force rollers rubber band ruler screw shown in Figure simple machines skateboard smooth soda straw spool spring scale steady speed surface area swing tape test your prediction thread thumbtacks toy truck toy vehicle tube twist tie wagon washers weight wheel and axle wood blocks