qqp question1: A machine gun has a mass of 20 kg. It fires 35 g bullets at a rate of 400 bullets per minute with a speed of 400 m/s. How can I calculate the force here? question2: A machine gun has a mass of 20 kg. It fires 35 g bullets at a rate of 400 bullets per minute with a speed of 400 m/s. What is the average force?