Question 2: Two identical steel balls are released from rest from the same height and travel along tracks as shown and labelled below. Which ball reaches the end of its track first? Assume that balls roll without slipping during the entire motion, and they never lose contact with the track. Question 3: You are helping your friends load boxes of equal mass, are at rest, on the ground, to a stationary truck. Liam suggests lifting the boxes upward and placing them at the back of the truck. Emma says that sliding the boxes up a ramp at an angle 6' using rollers {It-'hich we can assume are frictionless) as it would require less work done by the person lifting the boxes. lr'l-Thich one of your friends is right? g IVS