A light string of `70cm` has its two ends tied at the same level `50cm` apart. A force of `100N` is applied at a distance of `30cm` from `P` . The tension in part PR is.

A body is pivoted at a point. A force of 10N is applied at a distance of 30cm from the pivot. Calculate the moment of force about the pivot.

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

a force of 100 N is applied on an area 40cm xx 25cm . Find the corresponding pressure.

A uniform metre stick of mass 200 g is suspended from the ceiling through two vertical strings of equal lengths fixed at the ends. A small object of mass 20 g is placed on the stick at a distance of 70 cm from the left end. Find the tensions in the two strings.

A uniform metre stick of mass 200 g is suspended from the ceiling through two vertical strings of equal lengths fixed at the ends. A small object of mass 20 g is placed on the stick at a distance of 70 cm from the left end. Find the tensions in the two strings.

Find the work done if a force of 1000 N is applied on a load and the load moves through a distance of 50 cm.

Solve the following example : A force of 1000N is applied over an area's 50cm xx 20cm Find the corresponding pressure.

Find the work done if a force of 2000 N is applied on a load and the load moves through a distance of 100 cm .