Answers

2015-08-12T21:47:38+05:30
Swimming, shooting, walking on the horizontal surface, etc.
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2015-08-12T21:58:07+05:30
Any two objects interact with each other, whether it's direct contact or at a distance, they exert forces upon each other.  newtons third law of motion..
examples  lifting, jumping., acting force, balancing   etcc..
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