13. Exercises
From Mechanics
(Difference between revisions)
| Line 24: | Line 24: | ||
</div>{{#NAVCONTENT:Answer|Answer 13.2|Solution|Solution 13.2}} | </div>{{#NAVCONTENT:Answer|Answer 13.2|Solution|Solution 13.2}} | ||
| + | |||
| + | |||
| + | ===Exercise 13.3=== | ||
| + | <div class="ovning"> | ||
| + | |||
| + | A lever, of length 1.5 m, is pivoted at one end. A force of magnitude 80 N acts at the other end of the lever. The angle between the lever and the force is 60<math>{}^\circ </math>. Find the moment of this force about the pivot. | ||
| + | |||
| + | |||
| + | </div>{{#NAVCONTENT:Answer|Answer 13.3|Solution|Solution 13.3}} | ||
Revision as of 11:35, 18 September 2009
| Theory | Exercises |
Exercise 13.1
Find the moment of each of these forces about the point O.
Answer
Loading...Exercise 13.2
The diagram shows the forces acting on a rectangular lamina. They all lie in the same plane. Find the total moment on the lamina about the corner A.
Answer
Solution
Exercise 13.3
A lever, of length 1.5 m, is pivoted at one end. A force of magnitude 80 N acts at the other end of the lever. The angle between the lever and the force is 60\displaystyle {}^\circ . Find the moment of this force about the pivot.
Answer
Solution
