What will be the sign of accelertation due to gravity on a body near earth, when it is thrown vertically upwards? Take the upward direction as positive.

Positive

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Negative

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Zero

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Negligible

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Solution

The correct option is B Negative
When an object is thrown vertically upwards, the acceleration due to gravity remains unchanged and acts in downward direction. Since the axis was chosen such that positive is the upward direction, acceleration due to gravity is negative.

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