Science, asked by dev983, 1 year ago

a truck is moving with a velocity of 70 km per hour and it takes 3 second to stop after the brakes are applied calculate the force extend by the truck by the brakes mass of the truck is 1200kg

Answers

Answered by DSamrat
2
u=70 km/h=70×5/18 m/s
V=0 m/s as it has stopped
mass=1200kg
since t=3 sec and s= ut + half of a× square of t
find a by using V = u + at and put the a in previous equation...m× a gives force...u will get the answer
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