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Revision as of 09:44, 16 March 2010 (edit) Ian (Talk | contribs) ← Previous diff		Current revision (09:23, 17 March 2010) (edit) (undo) Ian (Talk | contribs)
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	as the forces on the sphere are in equilibrium.		as the forces on the sphere are in equilibrium.
-	<math>T=mg=20\times 9.8=196\ \text{N}</math>	+	<math>T=mg=20\times 9\textrm{.}8=196\ \text{N}</math>

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Current revision

If \displaystyle T is the tension in the cable then

\displaystyle \uparrow \displaystyle T-mg=0 as the forces on the sphere are in equilibrium.

\displaystyle T=mg=20\times 9\textrm{.}8=196\ \text{N}