A. falling of mango fruit from the tree
B. picking of nails using a bar magnet
C. repulsion of two like charges
D. pushing of a wheel-barrow on a level ground
Correct Answer: Option D
D. pushing of a wheel-barrow on a level ground
A. falling of mango fruit from the tree
B. picking of nails using a bar magnet
C. repulsion of two like charges
D. pushing of a wheel-barrow on a level ground
Correct Answer: Option D
D. pushing of a wheel-barrow on a level ground
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