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## Class 11 Physics (India)

### Unit 11: Lesson 4

Torque and equilibrium

# Calculating torque

You might need: Calculator

## Problem

A 25, start text, N, end text force F is applied to a bar that can pivot around its center as shown below.
The force is r, equals, 0, point, 75, start text, m, end text away from the center and at an angle theta, equals, 45, degree.
What is the torque on the bar?
Answer using a coordinate system where counterclockwise is positive.