O-LevelPhysicsForces5054/11 · May/June 2019 · Q21 Mark
Two forces X and Y act as shown. Which diagram shows the resultant force R of X and Y?
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ADiagram showing vector X pointing up-right, vector Y starting from the head of X and pointing up-right, and the resultant R vector pointing from the tail of X to the head of Y.
BDiagram showing vector X pointing up-right, vector Y starting from the head of X and pointing up-right, and the resultant R vector pointing from the head of Y to the tail of X.
CDiagram showing vector X pointing up-right and vector Y pointing up-left, both starting from a common origin. Resultant R is the diagonal of the parallelogram formed by X and Y, starting from their common tail and pointing up-right.
DDiagram showing vector X pointing up-right and vector Y pointing up-right (steeper), both starting from a common origin. Resultant R is the diagonal of the parallelogram formed by X and Y, starting from their common tail and pointing up-right.
✓ Correct answer
C: Diagram showing vector X pointing up-right and vector Y pointing up-left, both starting from a common origin. Resultant R is the diagonal of the parallelogram formed by X and Y, starting from their common tail and pointing up-right.
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