Units And Measurement

When adding numbers, the result should be rounded to the least number of decimal places in the operands. The numbers provided are:
523.32 (2 decimal places),
1.21524 (5 decimal places),
107.3 (1 decimal place).
The sum of these numbers is:
Since the number with the least decimal places is 107.3 (1 decimal place), the result must be rounded to 1 decimal place.

The correct option is (A) :

Given:

• Force expression:
• has the dimension of length ( )

Step 1: Write the Dimensional Formula for Force

Force has the dimensional formula:

Step 2: Express the Dimensional Formula for

From , we can solve for :

Substitute the dimensions:

Conclusion:

The dimension of is .

Answer: