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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Kim Cúc 3 years 2021-07-14T02:32:28+00:00 1 Answers 32 views 0

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  1. danthu
    0
    2021-07-14T02:33:32+00:00
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    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

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