- #1

negation

- 818

- 0

## Homework Statement

a) What is the length, rmr_m, of the moment arm of the force F→F_vec about point p?

b) Find the torque τtau about p due to F→F_vec. Your answer should correctly express both the magnitude and sign of τ.

## The Attempt at a Solution

a) I'm inclined to state the answer as -rsinΘ but apparently the answer is r sin Θ.Is there a reason why the sign is positive?