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a 2: Un cilindro slido de 200 kg de masa y 30cm de dimetro l=1 / 2 MR^2 cae rodando sin dslizar por un plano
a 2: Un cilindro slido de 200 kg de masa y 30cm de dimetro l=1 / 2 \MR^2 cae rodando sin dslizar por un plano inclinado 30 desde una altura de 10 metros. a) Hacer un diagrama de las fuerzas que actan sobre el cilindro durante su movimiento. b) Cmo interviene la rugosidad de la superficie en el movimiento del cilindro? Cambiaria el tipo de movimiento si la superficie de la pista fuese lisa? c) Puede utilizarse el principio de conservacin de la energa mecnica cuando se analiza una rodadura sin deslizamiento? d) Calcular la velocidad lineal, la velocidad angular y la energa cintica al llegar al pie del plano inclinado. Problem 2: A solid cylinder of mass 200 kg and diameter 30 cm l=1 / 2 \MR^2 falls rolling without sliding down a plane inclined at 30 from a height of 10 meters. a) Make a diagram of the forces acting on the cylinder during its movement. b) How does the surface roughness intervene in the movement of the cylinder? Would the type of movement change if the track surface were smooth? c) Can the principle of conservation of mechanical energy be used when analyzing rolling without grading? d) Calculate the linear velocity, angular velocity and kinetic energy upon reaching the foot of the inclined plane
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