how do i find the net force 30-N and a force 20 to show forces opposite and both in the same diection?
30 + 20 = 50
30 - 20 = 10
since its vector math you add the two vectors if they are in the same direction and subtract if they are pointing in opposite directions.
To find the net force when two forces are acting on an object, you need to determine the direction and magnitude of each force. Then, you can use vector addition to find their combined effect.
In this case, you have two forces: a 30 N force and a 20 N force. Let's assume that the 30 N force is acting towards the right and the 20 N force is acting towards the left.
If two forces are acting in opposite directions, their magnitudes are subtracted to find the net force. So, in this case, the net force would be:
Net force = 30 N - 20 N
Net force = 10 N
Since the 30 N force is greater than the 20 N force, the resulting net force is in the direction of the larger force, which is to the right.
On the other hand, if two forces are acting in the same direction, their magnitudes are added to find the net force. So, if both forces were acting towards the same direction, say to the right:
Net force = 30 N + 20 N
Net force = 50 N
In this case, the net force would be 50 N, acting towards the right.
Remember, when finding the net force, it is important to consider both the magnitude and direction of the individual forces.