PHYS 104 1st Edition Lecture 9Outline of Last Lecture I. Point Masses II. Extended BodiesIII. Static EquilibriumIV. Force and RotationV. TorqueVI. Center of MassOutline of Current Lecture VII. Torque Application ProblemsCurrent Lecture- What is the net torque on the forearm?o Forearm = 1.2 kgo Baseball = 1.42 N-o There are four forces on the forearm. 1: The force by the bicep. 2: The weight force by the Earth. 3: The force by the baseball. 4. The force by the humerus.o Since the axis of rotation is at the elbow, the torque due to the humerus force is zero since the position vector is zero for this force.These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.oτnet=τbicep+τweight+τbaseballτnet=(12. 6 N )( 0. 0275 m)−(11 . 8 N )(0 .17 m)−(1 . 42 N )(0 .34 m)τnet=−2 .14
View Full Document
Unlocking...