A block of mass 5 kg is (i) pushed in case (A) and (ii) pulled in case (B), by a force F=20N, making an angle of with the horizontal, as shown in the figures. The coefficient of friction between the block and floor is . The difference between the accelerations of the block, in case (B) and case (A) will be :
0.4
3.2
0.8
0
Newton's 2nd Law -
Therefore
- wherein
in C.G.S & S.I
Force can be defined as rate of change of momentum.
Option 1)
0.4
Option 2)
3.2
Option 3)
0.8
Option 4)
0
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