PHYSICS PRACTICAL y 0 ст 15 cm. 10 cm- 100 cm P K Q m...

PHYSICS PRACTICAL
y 0 ст 15 cm. 10 cm- 100 cm P K Q m You are provided with a metre rule, two loads, P and Q, a knife edge, K, a set of masses, m and a piece of string Use the diagram above as a guide to perform the experiment. (i) With no loads hanging on the metre rule, balance the metre rule horizontally on the knife edge. Record the position, G, of the knife edge on the balanced metre rule. (ii) Suspend P securely at 15 em from G, and Q securely at 10 cm from G. The positions of G, P and Q should not be altered throughout the experiment. (iii) Using a mass, m=40 g, balance the metre rule horizontally. Measure and record the distance, y, of m from G. (iv) Evaluate m (v) Repeat the procedure for m = 50 g. 60 g, 70 g and 80 g. In each case, record distance, y, and evaluate m-1 (vi) Tabulate the results. (vii) Plot a graph with ml as ordinate and y as abscissa. (viii) Determine the slope, s, of the graph. (ix) Determine the value of mp given that 15mp=1 200 (x) From the graph, deduce the mass, m, that would produce a balance distance, y = 27.5 cm. (xi) State two precautions taken to ensure good results.?

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Asked by Chamberlain on 30th May, 2023