a block of wgt 9.8 N is placed on a table . the table surface exerts an upward force of 10N on the block . taking g=9.8m/s2 , which of the following is correct:
(a) the block exerts a force of 10N on the table.
(b) the block exerts a force of 9.8N on the table .
(c) the block has an upward acceleration .
ans: (a) and (c)
why (a) is correct and not (b)
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so if you draw a FBD and remeber newton third law the table exerts 10N on the block,likewise block applies 10N downward and not 9.8N
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