Two equal forces F have a resultant of 1.5 F. Find the angle between the forces

Hi,
Given the resultant force = 1.5 F
Let the two equal forces be F
Then,

Hope this helps,
Good luck
 

  • 2

according to the formula it should be root F21+F22+F1F2cos thetta

  • -3

according to the formula it should be root F21+F22+2F1F2cos thetta.in the last post i forgot to add 2

  • 4
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