Find the acceleration of a 2500 kg truck that has a force acted on by its...

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Find the acceleration of a 2500 kg truck that has a force actedon by its wheels of 7kN. A force of friction of 1500 N is alsoacting on the truck.

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Answer : Given problem , mass of the truck (m) = 2500 kg

             force acting on the wheels (f1) = 7 kN = 7000 N

             This force say acting on forward direction.

             frictional force acting on the truck (f2) =1500 N

            This frictional force oppose the wheels force.So the resultant force F = f1 - f2

           F = 7000 -1500 = 5500 N

          We know that force F = ma

       Where a is acceleration, a = F/m

       a = 5500/2500 = 2.2 m/s^2

       Therefore acceleration of the truck , a = 2.2 m/s^2


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