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Q. |
A rigid body is in equilibrium under the action of these forces when |
A. | These forces are equal |
B. | The lines of action of these forces are parallel |
C. | The lines of action of these forces meet in a point |
D. | (A) and (B) above |
E. | (B) and (C) above |
Answer» E. (B) and (C) above |
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