1. A car of mass 1500 kg is pulling a trailer of mass 900 kg along...

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1. A car of mass 1500 kg is pulling a trailer of mass 900 kg along a straight, horizontal road. The coupling between the car and the trailer is light, rigid and horizontal. The motion of the car and trailer is first modelled assuming that the resistances to motion are negligible. There is a driving force of 600 N acting on the car. (i) Draw separate diagrams showing the horizontal force(s) acting on (A) the car. (B) the trailer. [2] (ii) Calculate the acceleration of the car and trailer. Calculate also the force in the coupling, stating whether this is a tension or a thrust. [4] 1. A car of mass 1500 kg is pulling a trailer of mass 900 kg along a straight, horizontal road. The coupling between the car and the trailer is light, rigid and horizontal. The motion of the car and trailer is first modelled assuming that the resistances to motion are negligible. There is a driving force of 600 N acting on the car. (i) Draw separate diagrams showing the horizontal force(s) acting on (A) the car. (B) the trailer. [2] (ii) Calculate the acceleration of the car and trailer. Calculate also the force in the coupling, stating whether this is a tension or a thrust. [4]

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To calculate the acceleration of the car and trailer system and the force in the coupling we can bre... View the full answer