A-LevelPhysicsPhysical quantities and unitsOct/Nov 2017Paper 2 Q18 Marks
One end of a wire is connected to a fixed point. A load is attached to the other end so that the wire hangs vertically. The diameter d of the wire and the load F are measured as d = 0.40 ± 0.02 mm, F = 25.0 ± 0.5 N.
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