Question

FULL SCREEN PRINTEM VERSION NEXE BACK Chapter 11, Problem 023 Force F = (2.78 N)i - (2.29 N ) acts on a pebble with position vector r=(3.61 m)j-(3.95 m k, relative to the origin. What is the resulting torque acting on the pebble about (a) the angin and (b) a point with coordinates (5.31 m, 0, -5.04 m)? (a) Number k Units (b) Number Units T Click if you would like to Show Work for this question: Open Show Work By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor

Answer 1

Aus 83 = 2.78 N F - 2.29 NK i = 3.61 m Î - 3.95m (a) Torque, ² = 8x Š = (3.61 m j - 3.95m²) x (2.78 N.1-2:29 NÅD . ~110.0 (Îx ;) - 8.27 (x A) – 11.0 (xi) Nm PE = -8-27 i – 11.09 –10.0 Nm aus (b) I new = (3.61 m } -3,95 m Å) - (5.31 mi -5:04mA) = - 5, 3 w i + 3- 6 m j + 1.0 m & Tonque, new = of new X = -5131 3.61 1509 Nm | 2.78 0 -2129 = [† (-8.27 - 0) - (12.86-10.0) + K (0-10.0)) Nm Tia Enew = -8.27 -2.16 À -10.0 Â Nm lame