Question

two like parallel forces 20N and 30N act at the ends A and B of a rod 1.5 m long.The resultant of the forces will act at the point ?

Answer 1

Hi,

Here is the answer to your question:

Answer 2

Lets assume the point at which resultant of the forces will act, is 'x' m from the point A.

Thus the point is (1.5 - x) m far from the point B.

Thus, using the formula Torque = Distance x Force acting

20x = 30(1.5 - x)

or, 2x = 4.5 - 3x

or, 5x = 4.5

or, x = 0.9

Thus the resultant point will be 0.9 m far from point A.