Can someone explain how to do these. I looked at the solution bank but i dont get why you need to use the cosine rule.
#year 2 forces ex 5A
lapis prairie
raven harbor
Can someone explain how to do these. I looked at the solution bank but i dont ge...
u dont need cosine rule
😭
u js split into vertical n horizontal forces
fr the 25 one u do 25sin(50) for vertical and 25cos(50) for horizontal
lapis prairie
fr the 25 one u do 25sin(50) for vertical and 25cos(50) for horizontal
That’s what i did
But it doesn’t give the same answer
alpine nest
What's the answer for 3a