# Math m1

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A car of mass 1 tonne is towing a trailer of mass 400kg. They are connected by a rigid rod. Initially they are travelling at a constant speed. The car then accelerates. If the force in the rod is 600 N, find the acceleration of the car and the driving force of the engine.

• Math m1 -

600 = 400 a
so
a = 600/400

total force = 400 a + 1000 a
= 1400 a

• Math m1 -

And total force is Power of engine-600 ?

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