# Question #3fd94

##### 1 Answer

Apr 30, 2016

#### Answer:

1036N,1036N and 2590N

#### Explanation:

The trailer is accelerated at

Newton's 3rd law tells us that if the car exerts a force on the trailer, then the trailer exerts an equal an opposite force on the car. So the answer is

The caravan and car are both accelerating at the same rate. So the engine must be providing a force given by:

The net force on the car must therefore be:

Force provide by engine less force exerted by trailer

Or you could just say the car is accelerating and therefore the net force must be:

i.e. you get to the same answer