An artist wishes to construct a birds and bees mobile, as shown in Fig. 8.40. If the mass of the bee on the lower left is 0.10 kg and each vertical support string has a length of 30 cm, what are the masses of the other birds and bees? (Neglect the masses of the bars and strings.)
Answer to relevant QuestionsThe location of a person’s center of gravity relative to his or her height can be found by using the arrangement shown in Fig. 8.41. The scales are initially adjusted to zero with the board alone. (a) Would you expect the ...A wheel rolls 5 revolutions on a horizontal surface without slipping. If the center of the wheel moves 3.2 m, what is the radius of the wheel? For the system of masses shown in Fig. 8.46, find the moment of inertia about (a) The x-axis, (b) The y-axis, and (c) An axis through the origin and perpendicular to the page (z-axis). Neglect the masses of the connecting ...Pennies are placed every 10 cm on a meterstick. One end of the stick is put on a table and the other end is held horizontally with a finger, as shown in Fig. 8.49. If the finger is pulled away, what happens to the pennies? A 2.5-kg pulley of radius 0.15 m is pivoted about an axis through its center. What constant torque is required for the pulley to reach an angular speed of after rotating 3.0 revolutions, starting from rest?
Post your question