Physics IA Exemplar: How is the sag, in metres, of a beam bridge affected by the span (0.1000π‘š, 0.1500π‘š, 0.2000π‘š, 0.2500π‘š, 0.3000π‘š) of the bridge when a load of 500𝑔 is applied to it by measuring the sag for each bridge span experimentally? | RevisionDojo