a motorcar is moving with a velocity of 108km/hr in 4 seconds To stop after the brakes are applied find the force exerted by the brakes on the motorcar if its mass along the passengers is 1000kg . guys my answer is coming 2700N but mam has said that answer is -7500N. please explain me
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Answer:
F = M x S
F = M x v-u/t
F = 1000 x 0-30/4
F = 1000 x (-7.5)
F = - 7500 N
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