A BC What's More: Independent Activity No. 1 Directions. Read and understand the situation. Write what is being asked. 1. Angle between Two Forces Three dogs are pulling on a stick in different directions, as shown in the figure. The first dog pulls with force F1-(10.0^i-20.4^j+2.0^k) N, the second dog pulls with force →F2=(-15.0^i-6.2^k) N, and the third dog pulls with force →F3=(5.0^i+12.5^j)N. What is the angle between forces F→1 and F→2?