Josh pushes on a 70 kg box in the positive direction with a force of 50 N. Marissa pushes on the box in the negative direction with a force of 35 N. If the force of friction is 2N, what is the acceleration of the box?
I get approximately
We see that Josh's force vector neutralizes all of Marissa's force vector and then gives an additional boost of
#F#is the force exerted in newtons
#m#is the mass of the object in kilograms
#a#is the acceleration in meters per second squared
So, we get: