You hold a softball with a weight of 1.80 N in your hand as shown in the figure. Your arm is moving, but at the instant shown, your arm is horizontal. Consider your forearm and hand to be a uniform rodwith a mass of 1.80 kg and the distance between your elbow joint and the ball in your hand is 2L = 32.0 cm. Your biceps exerts an upward, vertical force of 12.0 N on your forearm and is attached adistance of d = 2.00 cm from your elbow.BicepsMgmg(a) Using your elbow joint as the axis of rotation, determine the magnitude of the net torque acting about your elbow due to the weight of your forearm/hand, the weight of the ball, and the forceapplied by your bicep.-9.73N•mO no rotationO counterclockwise(b) In which direction will your forearm and hand rotate, given the signed value of the net torque calculated in part (a)?O clockwise

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You hold a softball with a weight of 1.80 N in your hand as shown in the figure. Your arm is moving, but at the instant shown, your arm is horizontal. Consider your forearm and hand to be a uniform rod with a mass of 1.80 kg and the distance between your elbow joint and the ball in your hand is 2L = 32.0 cm. Your biceps exerts an upward, vertical force of 12.0 N on your forearm and is attached a distance of d = 2.00 cm from your elbow. Biceps Mg (a) Using your elbow joint as the axis of rotation, determine the magnitude of the net torque acting about your elbow due to the weight of your forearm/hand, the weight of the ball, and the force applied by your bicep. -9.73 N m (b) In which direction will your forearm and hand rotate, given the signed value of the net torque calculated in part (a)? clockwise O no rotation O counterclockwise

You hold a softball with a weight of 1.80 N in your hand as shown in the figure. Your arm is moving, but at the instant shown, your arm is horizontal. Consider your forearm and hand to be a uniform rod with a mass of 1.80 kg and the distance between your elbow joint and the ball in your hand is 2L = 32.0 cm. Your biceps exerts an upward, vertical force of 12.0 N on your forearm and is attached a distance of d = 2.00 cm from your elbow. Biceps Mg (a) Using your elbow joint as the axis of rotation, determine the magnitude of the net torque acting about your elbow due to the weight of your forearm/hand, the weight of the ball, and the force applied by your bicep. -9.73 N m (b) In which direction will your forearm and hand rotate, given the signed value of the net torque calculated in part (a)? clockwise O no rotation O counterclockwise

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 9OQ: As shown in Figure OQ10.9, a cord is wrapped onto a cylindrical reel mounted on a fixed,...

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