StaticEquilibrium

# StaticEquilibrium - STATIC EQUILIBRIUM OBJECTIVE To show...

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1 OBJECTIVE To show that if a body is in Static Equilibrium it must satisfy the following conditions: (1) The vector sum of all the external forces must be zero. (2) The vector sum of all the external torques about any point must be zero. (3) The body must NOT have translational or rotational motion (the body must be at rest). EQUIPMENT 1. meter stick 2. hangers(4) 3. large rods(2) 4. small clamps(3) 5. large clamp(2) 6. set of masses 7. triple-beam balance 8. protractor THEORY The conditions for static equilibrium are the following: 1. The vector sum of all the external forces must be zero. 0 In component form: 0, 0 xyz F FFF = === ∑∑∑ G 2. The vector sum of all the external torques about any point must be zero. 0 (about any point) τ = G 3. The body must NOT have translational or rotational motion. That is, the body must be at rest. STATIC EQUILIBRIUM

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2 PROCEDURE Part 1 1. Weigh the meter stick with the triple-beam balance.
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## This note was uploaded on 09/02/2011 for the course PHYS 4a taught by Professor Luna during the Spring '11 term at DeAnza College.

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StaticEquilibrium - STATIC EQUILIBRIUM OBJECTIVE To show...

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