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## State Newton’s second law of motion. Derive this law mathematically. A 1000 kg vehicle moving with a speed of 20m/s is brought to rest in a

Question

State Newton’s second law of motion. Derive this law mathematically. A 1000 kg vehicle moving with a speed of 20m/s is brought to rest in a distance of 50 metres. Find the acceleration and calculate the force acting on the vehicle.

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Physics
3 years
2021-07-14T02:32:28+00:00
2021-07-14T02:32:28+00:00 1 Answers
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## Answers ( )

Answer:-4000 N

Explanation:newton second law F=ma

m=1000kg

vi=20m/s

vf=0

d=50 m

vf^2=vi^2+2ad

0=20^2+2a×50

100 a= -400

a= -4 m/S2

F=ma = 1000×-4 = -4000 N