1. The problem statement, all variables and given/known data A car pushes a block across the floor. (assume that it is moving from left to the right) Draw a free body diagram for the car showing: Force by block on car. Force of friction. Force of Gravity. Normal force. 2. Relevant equations 3. The attempt at a solution Normal force Straight up, gravity straight down. Force of box on car going left + force of friction going left.