Homework # 2.3 - Newton's Second Law of Motion Handout Problems: I. It takes a force of 50 N to give a body an acceleration of It} int-'52. What is the mass of the body? 2. A car has a mass of 1600 kg. If a braking force of 500 N is applied to the car while it is in motion, what is the magnitude of the acceleration it produces? 3. A [SOD-kg car starting from rest is accelerated by a force of 2000 N during the rst 15 s of its motion. What speed will the car have at the end of that time? 4. Two forces are applied to e 60-kg box on a frictionless, horizontal surface as shown below' What is the magnitude and direction of the acceleration of the block? '50!\" 150"