1. The problem statement, all variables and given/known data http://[url%3Dhttps://postimg.org/image/pov8gzkr5/][ATTACH=full]200173[/ATTACH] [ATTACH=full]200174[/ATTACH] The question is shown above in the image. [B]2. Relevant equations[/B] F=ma [B]3. The attempt at a solution[/B] I personally think the answer should be option B. The movable pulley requires 1/2 of the force compare with the fixed pulley, therefore the a1 is 2 times a2. Can anyone confirm my logics please?