Sun November 27, 2011 By:

can any body fall with an acceleration more than 10m/sec.if yes ,in that case ,than the force`ll be (-ve),acc. to the 4mula-f=m(g+a).please explen the practical mning f dis

Expert Reply
Mon November 28, 2011
when a lift  falls with an acceleration  a, the net downwrd force on a body inside will be(app weight):
if the lift or  vehicle falls with acceleration >g,
then ,
so the body inside will strike the celeing  of the the net force on it will be against the gravity.
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