A student hangs a spring and then adds metal discs to stretch it, as shown in Fig. 3.1.
(a)[2]
Calculate the weight of the metal disc using the given mass.
(b(i))[2]
Determine the length of the spring when the load attached to the spring is 7.0 N. Indicate your working on Fig. 3.2.
(b(ii))[2]
Determine the length of the spring when the load attached to the spring is zero. Indicate your working on Fig. 3.2.
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