Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 30
ntrivance by means of which a forceapplied at one point exerts a force or pressure at another pointis called a machine. Each of the appliances we have studiedso far is a machine, and the law of machines applies to them, asindeed it does to all machines. Show by experiment or by simple examples that… … FIG. 10. — Household screw appliances. the bolt, screw nail, and jackscrew, faucet, fruit press, meatchopper, sealer, and clamp. 16 PHYSICS OF THE HOUSEHOLD An appliance with a screw motion is used when it is necessaryto exert a great pressure, or to lift a great weight for a shortdistance. For…
Physics · Home Economics
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