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The angle (theta)between directions of forces A and B is 90degree where A=8dyne and B=6dyne. If the resultant R makes an angle (apha)with A,then find the value of ''(alpha)''. Show me with diagram Please.

The angle (theta)between directions of forces A and B is 90degree where A=8dyne and B=6dyne. If the resultant R makes an angle (apha)with A,then find the value of ''(alpha)''. Show me with diagram Please.

Grade:11

1 Answers

ankitesh gupta
63 Points
9 years ago

 

 

                  SINCE A AND B VECTORS ARE PERPENDICULAR THEREFORE THEIR RESULTANT WILL BE THE SIDE OF THE HYPOTENOUS NOW        TAN(ALPHA)=OPPOSITE/ADJACENT  THEREFORE TAN(ALPHA)=6/8  OR TAN(ALPHA)=3/4  THEREFORE ALPHA = 37 DEGREE

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