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In the earth's gravitational field. (a)work is done when a force moves it's point of application round a closed path(b) bodies repel themselves when they come close (c)energy is released when an object is raised above the ground (d) a body experiences no decrease in it's deceleration when it moves freely upwards .

In the earth's gravitational field. (a)work is done when a force moves it's point of application round a closed path(b) bodies repel themselves when they come close (c)energy is released when an object is raised above the ground (d) a body experiences no decrease in it's deceleration when it moves freely upwards .

Grade:12

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