Forces 3 N and 4 N are applied to one point and are directed along one horizontal straight line in opposite directions

| August 15, 2021 | education

Forces 3 N and 4 N are applied to one point and are directed along one horizontal straight line in opposite directions. The force directed to the left is large in absolute value. What is the equal and where is the resultant of these forces directed?

Given:

F1 = 3 Newtons – the value of the first force directed to the right;

F2 = 4 Newtons – the value of the second force directed to the left.

It is required to determine the resultant forces F (Newton) and its direction.

Let us introduce a coordinate system, the OX axis of which is directed from left to right. Then, the projection of the force F1 onto the OX axis will have a positive value, and the force F2 will have a negative value. The resultant forces will be equal to:

F = F1 – F2 = 3 – 4 = -1 Newton.

The minus sign means that the force will be directed towards the negative side of the coordinate system, that is, to the left.

Answer: the resultant of the forces will be equal to 1 Newton, the direction is to the left



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