Saved Bookmarks
| 1. |
Which of the following statements of D’Alembert’s principle are correct?. 1. The net external force F actually acting on the body and the inertia force FI together keep the body in a state of fictitious equilibrium. 2. The equation of motion may be written as F+ (– ma) = 0 and the fictitious force (– ma) is called an inertia force. 3. It tends to give solution of a static problem an appearance akin to that of a dynamic problem. (a) 1 and 3 only (b) 1 and 2 only (c) 2 and 3 only (d) 1, 2 and 3 |
|
Answer» (b) 1 and 2 only |
|