Solved: In Exercises 6366, the torque about the origin O due to a force F acting on an
Chapter 12, Problem 64(choose chapter or problem)
In Exercises 6366, the torque about the origin O due to a force F acting on an object with position vector r is the vector quantity = r F. If several forces Fj act at positions rj , then the net torque (units: N-m or lb-ft) is the sum = rj Fj Torque measures how much the force causes the object to rotate. By Newtons Laws, is equal to the rate of change of angular momentum. Calculate the net torque about O at P, assuming that a 30-kg mass is attached at P [Figure 22(B)]. The force Fg due to gravity on a mass m has magnitude 9.8m m/s2 in the downward direction.
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