A motor car is moving with a velocity of 108km/h and it takes 4s to stop after the brakes are applied. Find the force exerted the brakes on the motor car if its mass along with the passengers is 1000kg. Pls ans......v2mrw is ma exam.........
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v = 108km/h
t = 4s
m = 1000kg
F = ma
a = v-u/t
=108-0/4
=27 km/h^2
=7.5m/s^2
F = 1000×7.5
=7500 N
not sure if it's correct
check it
t = 4s
m = 1000kg
F = ma
a = v-u/t
=108-0/4
=27 km/h^2
=7.5m/s^2
F = 1000×7.5
=7500 N
not sure if it's correct
check it
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