Question

Please show directions of e_r and e_theta

ICW 24 a) The 3 kg slider A fits loosely in the smooth 45° slot in the disk, which rotates in a horizontal plane about its center O. If A is held in position by a cord secured to point B, determine the tension Tin the cord for a constant rotational velocity ) = 300 rpm. B 45° 150 mm

Answer 1

soll B T A fe hen ng foo of point of is For centrifugal force w= 27 N 2 in rw2 (о Ĉ Здо 15 x (15) 2 444. 132 IFE 2 3 x 9.81 2 29.43 N direction along the of string T = (A Corus) + (img cos 45) 444.13 13 Cos45) + (29.43 cos 45) T = 334.857 N