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Member advised to use the homework template for posts in the homework sections of PF.

**Hi all,**

I have problem to solve this question:

Wb=150N

Wa=50N

T=150N

alph =?

µ =?

- There is friction between A and B only(Between A and the ramp there isn't).

- A and B not moving(first Newton's law).

3. I tried to solve as:

But the answer is wrong, can anyone help me please, and explain where is the problem?

Regards Jack.

I have problem to solve this question:

Wb=150N

Wa=50N

T=150N

alph =?

µ =?

- There is friction between A and B only(Between A and the ramp there isn't).

- A and B not moving(first Newton's law).

3. I tried to solve as:

But the answer is wrong, can anyone help me please, and explain where is the problem?

Regards Jack.