7. Un cordón se enreda alrededor de una polea de 20 cm de diámetro, si se cuelga del cordón un objeto con 3.1 kg de masa. ¿Cuál es el momento de torsión en el centro de la polea? (M = -6 N. m)

d they tend to lose electrons and become cations.

explanation:

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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