8. Two tugboats are towing a ship, Each exerts a force of 6000N, and angle between the two ropes is 60°. Calculate the resultant force on the ship, Scalars and Vectors problem no 8. Sindh Textbook Board (stb) problems

20. Two vectors A and B are such that |A| = 3, |B| = 4, and A.B = -5, find:

(a) the angle between A and B

(b) the length of |A+B| and |A-B|

(c) the angle between (A + B) and (A - B).