Answers

2014-07-15T18:37:59+08:00
Because a force acts on it causing motion to act on the object .... :)))

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2014-07-15T18:38:09+08:00
Only by force. :) 
even kung hangin lang yung nag move ng object, it is stilll considered as a force. 
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yun rin. xD
law of inertia anything in motion will remain in motion and anything at rest will remain at rest unless acted upon by FORCE
Ikaw na... Gets na namen oo na! Tam na! Joke!
:)
omg nosebleed. hahah XD dejoke.