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A car, being driven at 60 km/h, is to be stopped by applying brakes within a distance of 5m. If the car and passenger weight 1800 kg, then find average force which must be applied by the brakes.No spam answers please |
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Answer» s=40m,v=0,u=40× 18 5
= 9 100
m/s u =2AS ( 9 100
) 2 =2×a×40 9 100
× 9 100
=2×40×a a= 81×8 1000
FORCE=ma =2000× 81×8 1000
Force =3.086KN |
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