Question

The sum of the ages of Hasrha and Kartik is four more than twice the difference of their ages. Write a linear equation in two variables.



if mohsina is there please answer the question in detail​

Answer 1

Answer:

The effort arm (or arm of applied force) is the portion of the lever to which we apply the effort, or input force. ... In a first-class lever, the effort arm and load arm are located on opposite sides of the fulcrum, and effort is applied in the same direction as the force exerted by the load.