# Physics

Car is pulling a 3198kg trailer producing a accerlation of 0.2m/s2. Frictional force on the wheels is 740n. What is the applied force on the trailer?

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1. The force required to produce the acceleration is given by Newton's second law F=ma.
If
m is mass in kg,
a is acceleration in m/s²
then force F is in newtons.

To this force must be addded the frictional force 740 N to overcome friction.

Note: the force unit newton is written in lower case when written in full, and with a capital letter N when abbreviated. This is true for other proper name units, such as Ampere, Pascal, etc.

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