4.- A 20 N steel sphere rests without friction, in a system formed by a plane inclined at 30 ° with the horizontal to the left and another inclined plane at 60 ° to the right, as shown in the figure. Determine the force exerted by each plane on the sphere. R: N = 17.32 N plane of 30 ° and N = 10 N plane of 60 °. 30° 60°

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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.