7. A bar of mass M and length L=8 meters is pivoted on a fulcrum that is d= 2 meters away from the left end. Attached to
Posted: Fri May 06, 2022 6:24 am
7. A bar of mass M and length L=8 meters is pivoted on a fulcrum that is d= 2 meters away from the left end. Attached to the left end, a mass m= 12 kg hangs at rest and keeps the system in equilibrium. What is the mass of the bar? m d M L