Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 249
OP I Figure 256. — Grass Cutters or F Sheep Shears Illustrate Third Figure 257. — The Sugar TongsClass Lever. is a Third Class Lever. 238 MACHINES 1. Wire pliers 2. Pitcher pump 3. Lemon squeezer 4. Spoon 5. Knife 6. Fork 7. Claw hammer pulling a nail 8. Oar of rowboat 9. Paddle of canoe 10. The… … >p Name five other applica-tions of the lever, andclassify them. 282. Wheel and Axle.—The wheel and axle is an-other simple machine verysimilar in action to the lever. It consists of a wheel andan axle rigidly fastened to-gether. (Figure 259.) Theforce (F) acts on a ropewound around the wheel,
Physics
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