Cap12 Points:6 The figure below is a long stick with evenly spaced marks. The di

Question

Cap12 Points:6 The figure below is a long stick with evenly spaced marks. The distance between two adjacent marks is 14.10 cm For each of the following forces or set of forces determine the requested torque. Use Point L as the axis of rotation. Use the sign convention that a counterclockwise (CCW) torque is considered positive and a clockwise (CW) torque is considered negative. A force of 17.0 N is directed upward perpendicular to the stick at Point H. What is the torque from this force? 11.99 Nnm Submit Answer Incorrect. Tries 3/50 Previous Tries A force of 28.0 N is directed downward perpendicular to the stick at Point A. What is the torque from this force? Submit Answer Tries 0/50 A force of 26.0 N is directed upward perpendicular to the stick at Point F What is the torque from this force? Submit Answer Tries o/50 A force of 18.0 N is directed upward at angle 31.5° to the right of the perpendicular to the stick at Point J. What is the torque from this force? Submit Answer Tries 0/50 A force of 28.0 N is applied horizontally to the left at J. What is the torque from this force? 0.00 N*m You are correct. Your receipt no. is 158-9172 Two forces are applied simultaneously to the stick. A force of 17.0 N is directed upward perpendicular to the stick at Point H and a force of 26.0 N is directed upward perpendicular to the stick at Point F. What is the net torque from these two forces? Submit Answer Tries 0/50

Explanation / Answer

Torque = rFsina

T = (4 X .141) (17) sin90

T = 9.58 Nm

b) r = (.141 X 2) = 0.282

T = rF = 0.282 (28) sin90

T = -7.89 (clockwise)

c)

r = (.141 X 5) = 0.705

T = rF = 0.705 (26) sin90

T = -18.33 (clockwise)

d)

r = (.141 X 3) = 0.423

T = rF = 0.423 (18) sin121.5

T = + 6.49 (counter clockwise)

e)

T = rF sin 0 = 0

f)

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