
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Determine the direction and magnitude of the velocity of the left load \( u \) if the velocity of the right load \( v = 1 \) m/s. The strings are inextensible and weightless, and the lever is rigid.

Present the answer in LaTex format: \boxed{Your answer}
user