Allen, Charles Ricketson, 1862- [from old catalog] · New York, H. Holt and company · leaf 187
attached to the centre of thesecond stick. As the connecting cords pass outside of thesupport, the body can be pulled up and down the planewithout difficulty, by a force parallel to the table. Let onestudent hold the balance in both hands, face up, and pullthe carriage up the plane, keeping the… … table. The students should alternate in reading the bal-ance. Make the observations, records and corrections, andanswer the questions, as in Ex. 5. EXERCISE 7. LAWS OF THE PENDULUM. Preliminary.—The apparatus used in this exercise isshown in Fig. 91. Near theedge of the support S (whichmay be the…
Physics
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