To make \( u \) the subject of the equation \( v = u + at \), we need to isolate \( u \) on one side of the equation.

Starting with:

\[
v = u + at
\]

Subtract \( at \) from both sides:

\[
u = v - at
\]

So, \( u \) is the subject of the equation:

\[
u = v - at
\]

Would you like further details or have any questions?

Here are 5 related questions you might find useful:
1. How do you rearrange other equations in physics to isolate a specific variable?
2. What is the significance of \( u \) (initial velocity) in motion equations?
3. How can you solve for \( t \) (time) in \( v = u + at \)?
4. What other motion equations involve acceleration \( a \)?
5. Can you derive the equation for displacement using \( v = u + at \)?

**Tip**: When solving for a variable, perform the same operation on both sides to maintain equality.

Learn how to rearrange the equation v = u + at to make u the subject. This problem covers essential algebraic skills, including equation rearrangement. Suitable for students in Grades 6-8.

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