Question

Two+force+5N+and+4N+are+inclined+to+each+other+at+300+find+the+resultant+force+

Answer 1

Answer:

√61N

Explanation:

R^2 = A^2 + B^2 + 2ABcos@

R^2 = 5^2 + 4^2+ 2*5*4cos300°

R^2 = 25+ 16 + 40 cos (360-60)

R^2 = 41 + 40 cos (60)

R^2 = 41 + 40 *1/2

R^2 = 41 + 20

R^2 = 61

R = √61N