Cqulibrium. Judurcs / and 8 against the total Questions: 1. Describe what the motion of a rigid system will be if: al The first condition for equilibrium is not satisfied. b). The second condition for equilibrium is not satisfied. d. Neither condition for equilibrium is satisfied. 2 If the numbers of clamps on each side of the support fulcrum are the same, say one and one, can their weight be omitted from the torque calculation? Explain. 3. If three forces act on an extended object and the object is in equilibrium, prove that the lines of action of these three forces intersect at one point. 4. Use two fingers to support a meter stick, one at the 10 cm mark and another at the 65 cm mark. Move the two fingers closer slowly until they meet. Where do the two fingers meet? Repeat with different starting positions for the two fingers and explain the results. References: Dr. Gao's Manual 71

Cqulibrium. Judurcs / and 8 against the total Questions: 1. Describe what the motion of a rigid system will be if: al The first condition for equilibrium is not satisfied. b). The second condition for equilibrium is not satisfied. d. Neither condition for equilibrium is satisfied. 2 If the numbers of clamps on each side of the support fulcrum are the same, say one and one, can their weight be omitted from the torque calculation? Explain. 3. If three forces act on an extended object and the object is in equilibrium, prove that the lines of action of these three forces intersect at one point. 4. Use two fingers to support a meter stick, one at the 10 cm mark and another at the 65 cm mark. Move the two fingers closer slowly until they meet. Where do the two fingers meet? Repeat with different starting positions for the two fingers and explain the results. References: Dr. Gao's Manual 71

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 2CQ: Under what conditions can a rotating body be in equilibrium? Give an example.

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