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Vishesh Lal Grade: 11
        

Four forces of magnitude P,2P,3P and 4P act aling the four sides of square ABCD in cyclic order. Use the vector method to find the resultant force?

7 years ago

Answers : (1)

Rahul Parkar
8 Points
										

side 1 parallel side 3


considering this as X-axis,


P-3P=-2P i          (→ +ive)


for Y-axis


2P-4P=-2P j        (↑ +ive)


mod(∑F)=√(Fx2+Fy2)


            =√(4P2+4P2)


            =2P√2


 

7 years ago
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