Question

distance is covered by an object is 400m in 20 s. if the mass of the object is of 7 metric tonnes , the force acting on the object will be

Answer 1

u=0
s=ut+0.5at2
400=0×20+0.5×a×20×20
so a=2
force=ma
force=7×1000×2
so force=14000N

Answer 2

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