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Two forces P & 2P act on the particle if the first is doubled & the second increased by 20N.The direction of the resultant remains unchanged.Find the value of P.
since the direction of the resultant remains unchanged the angle which it makes with either of the forces remains unchanged. so we can apply the result of similarity of triangles to get the result. but try to draw the vector triangles yourself. P/2P = 2P/(2P + 20). this gives P = 10N
since the direction of the resultant remains unchanged the angle which it makes with either of the forces remains unchanged.
so we can apply the result of similarity of triangles to get the result. but try to draw the vector triangles yourself.
P/2P = 2P/(2P + 20).
this gives P = 10N
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