Question

while dragging or lifting an object negative work is done by 1.the applied force 2.gravitional force 3. frictional force 4. reaction force ​

Answer 1

Answer:

The answer for your question is frictional and gravitational force

Explanation:

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Answer 2

Answer:

gravitational force which is exerted by Earth . This force is enough strong that it can pull everything towards itself .

Hence , it's the gravitational force which exert pressure on the opposite side while we are dragging or lifting an object ...

Explanation:

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