A bicycle takes 8.0 seconds to excel rate at a constant rate from rest to a speed of 4.0 m/s. If the mass of a bicycle and a riding together is 85 kg what is the net force acting on the bicycle?
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u=0;v=4;t=8s
therefore acceleration=v-u÷t
4-0÷8=0.5m÷s×s
mass=85kg
force=mass×acceleration
f=85×0.5=42.5newton
deepakbisht30:
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