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1. A constant force F is applied on a body ofmass 5 kg, changes its velocity from 2 m/sto 7 m/s in 10 second. If the direction ofmotion is unchanged, then the appliedforce is |
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Answer» F=ma m=5kg u=2m/s v=7m/s t=10s a=v-u/t a=7-2/10 a=5/10 a=0.5m/s² F=5(0.5) F=2.5 NEWTON |
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