14. Torque & Rotational Dynamics

Intro to Torque

Torque, Basic Introduction, Lever Arm, Moment of Force, Simple Machines & Mechanical Advantage

Calculate the torque (magnitude and direction) about point O due to the force F in each of the cases sketched in Fig. E10.1. In each case, both the force F and the rod lie in the plane of the page, the rod has length 4.00 m, and the force has magnitude F = 10.0 N. (a) <img src="https://lightcat-files.s3.amazonaws.com/problem_images/c382a66b258e8c57-1671129024900.jpg" alt="" />

Maximum torque on wrench

Torque

What is Torque? - Torque basics explained

What is Torque? | Physics | Extraclass.com

Torque Physics: Lever Arm and Force

Model the propeller of an airplane as a single thin rod, 2.2 m long, with a mass of 80 kg. How much torque is required to bring this propeller from rest to 600 rpm in 2.9 s?

Physics, Torque (1 of 13) An Explanation

Torque of fish pulling on pole

A metal bar is in the xy-plane with one end of the bar at the origin. A force F = 97.00 N)i + (-3.00 N)j is applied to the bar at the point x = 3.00 m, y = 4.00 m. (b) What are the magnitude and direction of the torque with respect to the origin produced by F?

One force acting on a machine part is F = (-5.00 N)i + (4.00 N)j. The vector from the origin to the point where the force is applied is r = (-0.450 m)i +(0.150 m)j. (a) In a sketch, show r, F, and the origin.

Some trainyards have very large horizontal disks that engines can drive onto, which then rotate to turn the engine around to face the opposite direction. Suppose the train engine is 12 m long and centered at the disk’s axis. A 500 N force is applied 5.0 m from the center of the engine, with a rope that makes a <math display=“inline”><mrow><mn>35</mn><mo>&#x00B0;</mo></mrow></math> angle with the side of the engine. What magnitude torque is being applied to the train engine?

A machinist is using a wrench to loosen a nut. The wrench is 25.0 cm long, and he exerts a 17.0-N force at the end of the handle at 37° with the handle (Fig. E10.7). (b) What is the maximum torque he could exert with this force, and how should the force be oriented?<img class="fr-dib" src="https://lightcat-files.s3.amazonaws.com/problem_images/76c8ea951a278a30-1678284453821.jpg" style="width: 300px;">

A machinist is using a wrench to loosen a nut. The wrench is 25.0 cm long, and he exerts a 17.0-N force at the end of the handle at 37° with the handle (Fig. E10.7). <img src="https://lightcat-files.s3.amazonaws.com/problem_images/88a8b97d0b79f8cc-1671131438401.jpg" alt="" /> (a) What torque does the machinist exert about the center of the nut?

Physics, Torque (2 of 13) Force at Right Angle to Object

You pull with a 100 N at the edge of a 25 cm long wrench, to tighten a bolt (gold), as shown. The angle shown is 53° . Calculate the torque your force produces on the wrench, about an axis perpendicular to it and through the bolt.<img src="https://static.studychannel.pearsonprd.tech/courses/physics/thumbnails/images/f0de3c8b"alt=""/>

A metal bar is in the xy-plane with one end of the bar at the origin. A force F = 97.00 N)i + (-3.00 N)j is applied to the bar at the point x = 3.00 m, y = 4.00 m. (a) In terms of unit vectors i and j, what is the position vector r for the point where the force is applied?

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Torque & Acceleration (Rotational Dynamics)

How to Solve:Energy vs Torque

How to Solve: Energy vs Torque

Torque on Discs & Pulleys

Net Torque & Sign of Torque

Torque Due to Weight

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