please help! FIND THE TORQUE OF THE ARM A horizontally outstretched arm supports
ID: 2845302 • Letter: P
Question
please help! FIND THE TORQUE OF THE ARM
A horizontally outstretched arm supports a weight of 22 lb in a hand (see figure). If the distance from the shoulder to the elbow is 1 ft and the distance from the elbow to the hand is 1 ft, find the magnitude and describe the direction of the torque about (a) the shoulder and (b) the elbow. (The units of torque in this case are ft-lb.) The magnitude of the torque about the shoulder is ft-lb. (Simplify your answer.) The magnitude of the torque about the elbow is ft-lb. (Simplify your answer.) What is the direction of the torque about the shoulder/elbow? Upward Into the screen To the right Out the screen DownwardExplanation / Answer
a: 22*2= 44 ft-lb
b: 22*1=22 ft-lb
torque is out of the screen
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.