Physics, asked by amith7975, 6 months ago

A block of mass 200gm is moving with a velocity of 72kmph is brought to rest by
applying brakes in 20 seconds. Find the force exerted by brakes on wheels
(l​

Answers

Answered by soupals1upv
0

since retardation is happening so

a = (u-v)/t = {(72×1000/3600) / 20}m/s² = 1 m/s²

F=ma = (200/1000)N = .2 N

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