The diagram below shows a 150g rod balanced at its center of gravity. A 20g mass is placed 120cm from the pivoted point a) find the value of x. b) what upward force does the pivot exert on the rod?​

The diagram below shows a 150g rod balanced at its center of gravity A 20g mass is placed 120cm from the pivoted point a find the value of x b what upward force class=