Reference no: EM13978834
Two people of different masses sit on a seesaw. M1, the mass of person 1, is 91 kg, M2 is 45 kg, d1 = 0.8 m, and d2 = 1.1 m. The mass of the board is negligible.
Calculate the magnitude of the torque about location A due to the gravitational force on person 2.
What is the direction of the rotation due to this torque?
Since at this instant the linear momentum of the system may be changing, we don't know the magnitude of the "normal" force exerted by the pivot. Nonetheless, it is possible to calculate the torque due to this force. What is the magnitude of the torque about location A due to the force exerted by the pivot on the board?
What is the direction of this torque?
Person 2 moves to a new position, in which the magnitude of the net torque about location A is now 0, and the seesaw is balanced. What is the new value of d2 in this situation?
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