A block of mass `5 kg` is (i) pushed in case (A) and (ii) pulled in case (B), by a force `F=20 N`, making an angle of `30^(@)` with the horizontal, as shown in the figures. The coefficient of friction between the block and floor is `mu = 0.2`. The difference between the accelerattion of the block, in case (B) and case (A) will be : `(g = 10 ms^(-2))`. .
A
`0.4 ms^(-2)`
B
`3.2 ms^(-2)`
C
`0.8 ms^(-2)`
D
`0 ms^(-2)`
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The correct Answer is:
A
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