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A body of mass 2 kg moving with velocity 4 m/s horizontally stops after 2s . if the body is to be kept in motion at the same surface with 4m/s,force needed is:
a)1N
b)2N
c)4N
d)18N
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hello friends
A body of mass 2 kg moving with velocity 4 m/s horizontally stops after 2s . if the body is to be kept in motion at the same surface with 4m/s,force needed is:
a)1N
b)2N
c)4N
d)18N
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