Question

car of mass 2400 kg moves with a velocity of 20 m per second is stopped in 10 seconds and applying brakes calculate the retardation retarding force

Answer 1

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Answer 2

DATA:-

m=2400kg
v=20m/s
t=10s
F=?

SOLUTION:-

We know that:
F = ma
F= m×v/t
F=2400×20/10
F= 2400×10
F= 24000

but as retardation is taken -ve
so answer is -24000N