[" 1.A crowbar of length "120cm" has its fulcrum simated "],[" at a distance of "20cm" from the load.Calculate the "],[" mechanical advantage of the crowbar.Ans.5"]

A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the mechanical advantage of the crowbar.

The crow bar is a type of lever as shown in the figure. A crow bar of length 150 cm has its fulcrum at a distance of 25 cm from the load: Calculate mechanical advantage of this crow bar.

A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. The mechanical advantage of the crow bar is

A crowbar is of 150 cm length. Its fulcrum is at a distance of 50 cm from the load. Find out the mechanical advantage.

A crowbar is of 125 cm length. Its fulcrum is at a distance of 25 cm from the load. Find out the mechanical advantage.

Length of a crowbar is 150 cm. Its fulcrum is at a distance of 30 cm from the load. What is its mechanical advantage.

An object 50 cm tall is placed on the principle axis of a convex lens. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens. Calculate the focal length of the lens.

A class-three lever has a length of 150 cm and the effort is applied at a distance of 50 cm from the fulcrum. The MA is