Chapter 5. Force, Measurement, and Motion
Spring Scale
Purpose: A spring scale is used to determine the force or pull an object causes or exerts.
Materials: Wood ruler (or half a yardstick), tack, paper clip, and a rubber band.1
What to Do: Cut the rubber band in half. Stick a tack in one end of the ruler. Tie one end of the rubber band around the tack. Bend a paper clip as shown. Tie the other end of the rubber band to the paper clip. Part of the paper clip serves as a marker. The other part of the paper clip serves as a hook from which objects to be weighed can be suspended.
Operation of Equipment: Hang a known weight from the end of the ...
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