Intro to Torque Video Lessons

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Problem: Two equal forces are applied to a door. The first force is applied at the midpoint of the door, the second force is applied at the doorknob. Both forces are applied perpendicular to the door. Which force exerts the greater torque? A) both exert equal non-zero torques B) the first at the midpoint C) both exerts zero torques D) the second at the doorknob E) additional information is needed

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Problem Details

Two equal forces are applied to a door. The first force is applied at the midpoint of the door, the second force is applied at the doorknob. Both forces are applied perpendicular to the door. Which force exerts the greater torque?

A) both exert equal non-zero torques

B) the first at the midpoint

C) both exerts zero torques

D) the second at the doorknob

E) additional information is needed

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro to Torque concept. You can view video lessons to learn Intro to Torque. Or if you need more Intro to Torque practice, you can also practice Intro to Torque practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Jeffery took 1 minute and 7 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Pan's class at CPP.