A1.5 kg pendulum swings from point A of height ya = 0.10 m to point B of the same height. The heights are relative to the lowest height.
what is the gravitational potential energy?

Aman is trying to drag a small tree that he cut down. if the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 670 n, what is the minimum amount of horizontal force that the man will need to apply so that the tree will start moving? o a. 465 n o b. 230 n o c. 670 n o d. 335 n