a motor car weighing 600kg.is moving at a speed of 60km/hr.when the brakes are applied,its speed reduces to 15km/hr.in10 seconds.find the value of braking force
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answer-2700. explanation-given-u^1=60km/h,v^1=15km/h,t=10s. mass=600kg to find-braking force=m*a first we will find the acceleration that is 15-60/10=-4.5m/s^2,then we have to find. braking force that is=m*a =4.5*600=2700N this is the answer
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