Engineering :: Applied Mechanics
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The law of conservation of mechanical energy is valid
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[A]. |
Irrespective of the nature of force field | [B]. |
Only in gravitational field
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[C]. |
Only if the total work done by the particle in moving around in a closed trajectory is zero | [D]. |
Only if the force is tangential to the trajectory |
[E]. |
None of the above |
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