Question

In order to balance the lever (balance means zero net torque) shown as below horizontally, how much weight should we put in the middle (70 cm mark on the ruler) if the reading on scale hanged on the left side (95 cm mark on the ruler) is 300 grams? The hinge point is at 40 em mark on the ruler and the center of the ruler is right at 50 cm mark. The ruler's weight is 200 grams. Do not forget to include the torque generated by the ruler itself. 15)

Answer 1

S.S Cm ocm X-40 cm 50cm X95cm 30cm mg Condition ot Appying the Se cond quilibrium Z00-004mp(L0)g 3009 2009 SolVing tor H H-433.3 q