Question

There are two force vectors, one of 5 N and other of 12 N.
At what angle the two vectors be added to get resultant
vector of 17 N, 7 N and 13 N respectively
Sool 1209
TES.
0, 180° and 90° (b) 0°, 90° and 180°
( 0°, 90° and 90° (d) 180°, 0° and 90°​

Answer 1

Answer:

answer is 0, 180 and 90

Explanation:

as the resultant formula for addition of vector is ( R=√a^2 + b^2 + 2ab cos theta)

cos 90 =0 so R=√25+144 =13N

cos 180=-1 so R=√25+144-120 = 7N