Which of the following is an example of potential energy? A kite flying in the sky.

B dog chasing his tail.

C book sitting on a shelf.

D basketball player running down the court.

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