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Course: Mechanics (Essentials) - Class 11th > Unit 12

Lesson 3: Why is it easier to wrench with a longer wrench?
Science
Mechanics (Essentials) - Class 11th
Why do helicopters have a second rotor on the tail?
Why is it easier to wrench with a longer wrench?
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Calculating torque

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Problem

A 25N force F is applied to a bar that can pivot around its center as shown below.
The force is r=0.75m away from the center and at an angle θ=45°.
What is the torque on the bar?
Answer using a coordinate system where counterclockwise is positive.
Choose 1 answer: