Susan and Jake's truck gets stuck in the mud. They used a tree branch as a
lever toʻlift the truck out of the mud. They applied an effort force of 700N
to the branch and the back of the truck weighs 2100N. What is the
mechanical advantage of the tree branch lever?*

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.