From Mechanics

Revision as of 10:44, 2 August 2010 (edit) Ian (Talk | contribs) ← Previous diff		Revision as of 10:46, 2 August 2010 (edit) (undo) Ian (Talk | contribs) Next diff →
Line 1:		Line 1:
	[[Image:13.3.gif]]		[[Image:13.3.gif]]
-	Take moments about the pivoted end of the level, O.	+	Take moments about the pivoted end of the level, <math>O</math>.
	<math>1.5\sin {{60}^{\circ }}\times 80=1.5\times 0.866\times 80=103.9\ \text{N}</math>		<math>1.5\sin {{60}^{\circ }}\times 80=1.5\times 0.866\times 80=103.9\ \text{N}</math>

---

Revision as of 10:46, 2 August 2010

Take moments about the pivoted end of the level, \displaystyle O.

\displaystyle 1.5\sin {{60}^{\circ }}\times 80=1.5\times 0.866\times 80=103.9\ \text{N}