18/4/2019 · Find the magnitude of force acting upon a cart weighing 100 N and accelerating at the rate of 2.5 m/s 2. Remember, 10 N is equal to 9.8 kg. So, convert Newtons to kg by dividing by 9.8 kg. Your new kg value should be 10.2 kg for the mass. Multiply your new 2).