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(i) Tension is the spring supporting the object
(ii) There's change in the direction of instantaneous velocity at various points along the circular path.
(iii) reading of spring balance = centripetal force
= $\frac{mv^2}{r}$ = $\frac{0.5 \times 8 \times \times 8}{2}$ = 16 N
johnmulu answered the question on June 2, 2017 at 11:49
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