Answer to Question #37119 in Mechanics | Relativity for Lisa
While chopping down his father's cherry tree, George discovered that if he swung the axe with a speed of 27 m/s, it would embed itself 1.9 cm into the tree before coming to a stop.
a. If the axe head had a mass of 2.5 kg, how much force was the tree exerting on the axe head upon impact?
b. How much force did the axe exert back on the tree?