physics

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a car pulling a 1500-kg trailer produces an acceleration of 0.50m/s^2.
a)the frictional force in the wheels of the trailer is 125N. what force is the car exerting on the trailer?
b) what force is the trailer exerting on the car?

  • physics -

    a) Fnet (on trailer) = M*a

    = 1500*0.5 = 750 N
    = Fcar - Fwheels
    = Fcar - 125
    Fcar = 875 N

    b) -875 N (oppostite reaction)

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