Can someone please explain how to get the answer in simple terms using a free body diagram? Thank you so much

Motion on Incline Level 1 Ignoring friction, use Newton's Laws to find the distance the cart will travel along the incline based on the conditions that are presented to you below. The mass of the cart itself, without the mass on top of it, is 500 grams. When you are ready to check your answer, hit the "End" button. End 100 cm 2.328 m/s SKS & 22.60 g = 6.8 m/s/s