Question

Given that Force 1 = 50 pounds and Force = 2 = 90 pounds, find the angle beween the forces if the magnitude of the resultant force is 80 pounds. Round answer to the nearest degree.

A. 74o
B. 54o
C. 67o
D. 59o
E. 62o

Answer 1

Draw it and use the cosine rule.

:( Wanted moar mechanics

Answer 2

dito

Answer 3

so E?

Answer 4

I guess so.

Answer 5

cause if I use law of cosines using the Side-side-side case side c would be 62.118186...? Just want to make sure I do it right

Answer 6

You did.

Answer 7

Thank you!