auto driver moving with a speed of 36 km per hour sees a child standing in the middle of the road applies break and bring his vehicle to rest in 5 seconds just in time to save the child if the total mass of photon the drive 450 kg then the calculate the average force of the brakes
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Explanation:
Initial velocity(u) =36km\hr
Final velocity (v) = 0 km\hr
Total mass= 450kg
Time taken = 5 sec
Acceleration(a) = [v- u] \t
=(-36)\5
Force = ma
= 450 × (-36)\5
= (-3240)NewtonN
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