Solution 3.1
From Mechanics
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If | If | ||
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<math>T-mg=0</math> | <math>T-mg=0</math> | ||
as the forces on the sphere are in equilibrium. | as the forces on the sphere are in equilibrium. | ||
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<math>T=mg=20\times 9.8=196\ \text{N}</math> | <math>T=mg=20\times 9.8=196\ \text{N}</math> | ||
Revision as of 09:44, 16 March 2010
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 9.8=196\ \text{N}
