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accuracy adjusted apparatus axis of rotation balance battery beam body burette C.G.S. units calorimeter Cavendish Laboratory centimetres centre circle coil coincide conductor connected copper cross-wire cubic centimetre cylinder deflexion density determine disc distance division drying tubes electromotive force Enter results equal equation error experiment Experiment.—Determine eye-piece fixed focal length formula galvanometer given glass glycerine graduated grammes heat Hence horizontal hydrometer hypsometer instrument lens let the weight light liquid magnet mark mass means measure mercury method millimetre mirror move needle observations obtained ohms oscillation parallel passes piece placed plane plate pointer pole position pressure prism produced quantity of electricity radius ratio reading reflected resistance resting-point right angles scale pans screw shew shewn slit solid specific gravity spherometer surface telescope temperature thermometer tube turn vapour vernier vertical vessel volume wire zero
Page 14 - The rate of change of momentum is proportional to the impressed force, and takes place in the direction of the straight line in which the force acts.