Question

Which of the following group of magnitudes
will not produce zero resultant when taken in
the form of vector?
(1) 20, 3, 7,4
(2) 20, 20, 20, 20
(3) 20, 3, 7, 10
(4) 20, 3, 7, 12​


plzz fast

Answer 1

Answer:

The diagonals PR and QS of a quadrilateral PQRS

intersect at point o such that ar(OPQ) =

ar(ORS). Prove that PQRS is a trapezium