U"How To Solve This?? Ahh I Dont Understand Net Force "

How to solve this?? Ahh I dont understand net force

 

Answer: -10N or 10N down

Explanation:

Net force is defined as the sum of all forces acting upon an object.

In the picture above, the forces acting on the object are:

30 N down

20 N up

Note that 30 N can also be rewritten as : -30 N

We do this to indicate the direction of a force; either down or left.

In the case above, since there is a downward pull of 30N, it can be rewritten it as -30N.

Since net force is a sum, we should add all the forces acting upon it, therefore:

-30 N + 20 N = -10 N

Final answer: -10 N

-10N can also be rewritten as : 10N downward

If you want to omit the negative sign, you should indicate that the direction is downward.

What does -10N or 10N down mean?

It means that the downward pull is 10N stronger than that upward pull.

Hope this helps :)


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