physics

posted by steve

If a car is accelerating downhill under a net force of 3,674N, what force must the brakes exert to cause the car to have a constant velocity?

  1. bobpursley

    Well,

    If the accelerating force is 3674N, The brakes must cancel that force.

  2. daniel

    F = ma means F is the NET force so if a is to be zero then F must be zero so you must brake with a force of 3 674 N so the overall force is zero and a = 0

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