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Two force of 20N and 40N act at a Point and the angle between them is 50 degrees. Find the resultant force Find the direction using sine rule
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3 votes
3 votes
Two force of 20N and 40N act at a

Point and the angle between them is 50 degrees.
Find the resultant force
Find the direction using sine rule

User WhatsTheDiff
by
3.5k points

1 Answer

15 votes
15 votes

R=√20²+40²+2.20.40 cos 50

R=55 N

R/sin β = F/sin α

55/sin 50 = 40/sin α

α = 33°

User Juddling
by
3.1k points
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