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A car pulling a trailer accelerates forward at a rate of ?

Answer :

Final answer:

The acceleration of a car pulling a trailer is determined by the net force applied by the car divided by the total mass of the car and trailer, considering also any opposing force like friction. As an example, if a car exerts a force of 2100 N, the trailer and car have a combined weight of 1000 kg, and friction forces are 250 N, the rate of acceleration would be 1.85 m/s².

Explanation:

The acceleration of a car pulling a trailer depends on two main factors: the total force applied by the car, and the combined mass of the car and the trailer. According to Newton's Second Law, acceleration equals force divided by mass (a = F/m).

As an example, if a car exerts a force of 2100 N to move forward and has a total mass (including the trailer) of 1000 kg, then the acceleration would be calculated as follows: a = 2100 N / 1000 kg = 2.1 m/s². This means the car with a trailer would accelerate forward at a rate of 2.1 meters per second squared.

However, it's also important to consider opposing forces like friction and air resistance. If these forces amount to 250 N as in some cases, then the net force becomes 2100 N - 250 N = 1850 N, the calculation would be a = 1850 N / 1000 kg = 1.85 m/s².

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