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| 1. |
A body is in accelerated motion. Is it possible that no work is done ? Give some example. |
| Answer» Solution :Yes, it is possible that work DONE is zero even when a body is in accelerated MOTION. This happens when FORCE is acting in a direction PERPENDICULAR to the direction of motion. For example, EARTH moving around the sun in a circular orbit under the gravitational force perpendicular to its path. Hence work done is zero, thoudh the motion is accelerated. | |