A stake is being pulled out of the ground by means of two ropes as shown. Knowing that a = 30°, determine by trigonometry (a) the magnitude of the force P so that the resultant force exerted on the stake is vertical, (b) the corresponding magnitude of the resultant. 120 N Fig. P2.5 25° P

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Q: ype

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.