Answer to Question #286877 in Physics for mnmnmn

Question #286877

A uniform bar is 4m long. It weighs 300N. At one end, 1m from the pivot point, there is a resisting weight of 2000N. What force must be applied at the other end to produce equilibrium?


1
Expert's answer
2022-01-12T08:28:27-0500


By equilibrium of torques (around R1):


"2000\u00b71+300\u00b72-R_2\u00b74=0,\\\\\nR_2=650\\text{ N}."



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