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23 Nov 2019
A beam resting on two pivots has a length of L = 6.00 m and mass M= 78.7 kg. The pivot under the left end exerts a normal force n1 onthe beam, and the second pivot placed a distance l = 4.00 m fromthe left end exerts a normal force n2. A woman of mass m = 58.2 kgsteps onto the left end of the beam and begins walking to theright. Using the fact that n1 equals zero when the beam is about totip and the torque equilibrium equation, with torques computedaround the SECOND pivot point, find the woman's position when thebeam is about to tip.
A beam resting on two pivots has a length of L = 6.00 m and mass M= 78.7 kg. The pivot under the left end exerts a normal force n1 onthe beam, and the second pivot placed a distance l = 4.00 m fromthe left end exerts a normal force n2. A woman of mass m = 58.2 kgsteps onto the left end of the beam and begins walking to theright. Using the fact that n1 equals zero when the beam is about totip and the torque equilibrium equation, with torques computedaround the SECOND pivot point, find the woman's position when thebeam is about to tip.
