Question

Q. No. 3    Find the magnitude and direction of resultant force obtained by joining given forces using head to tail rule:                                              F1 = 10N acting along x-axis        F2 = 5N acting along y-axis​

Answer 1

Answer:

Explanation:

Here, angle between F1 and F2 is 90 degree

So, resultant of F = (F1^2 + F2^2 + 2*F1*F2*cos90)^0.5 = (10^2+5^2)^0.5

= (125)^0.5 = 11.18 N

and Direction of F, tanA = (5sin90)/(10+5cos90) = 1/2

So, A = tan^-1(1/2)