Q. Consider a flat table used for air hockey. A puck on the horizontal air table is moving in a circular path at a constant speed. What is the direction of the acceleration of the puck?
Q. A beam resting on two pivots has a length of L = 6.00 mand mass M = 107.4 kg. The pivotunder the left end exerts a normal force n1 onthe beam, and the second pivot placed a distance l = 4.00m from the left end exerts a normal force n2. Awoman of mass m = 60.7 kg stepsonto the left end of the beam and begins walking to the right. The goal is to find the woman's position when thebeam begins to tip.