15. Rotational Equilibrium

Torque & Equilibrium

Rotational Equilibrium Introduction (and Static Equilibrium too!!)

Suppose that you can lift no more than 650 N (around 150 lb) unaided. <img src="https://lightcat-files.s3.amazonaws.com/problem_images/ade324a77227d275-1675288677959.jpg" alt="" /> (a) How much can you lift using a 1.4-m-long wheelbarrow that weighs 80.0 N and whose center of gravity is 0.50 m from the center of the wheel (Fig. E11.16)? The cen-ter of gravity of the load car-ried in the wheelbarrow is also 0.50 m from the center of the wheel. (b) Where does the force come from to enable you to lift more than 650 N using the wheelbarrow?

Pin holding a horizontal bar

Physics, Torque (3 of 13) Balance Beam

A uniform 300-N trapdoor in a floor is hinged at one side. Find the net upward force needed to begin to open it and the total force exerted on the door by the hinges (a) if the upward force is applied at the center and (b) if the upward force is applied at the center of the edge opposite the hinges.

Torque and Equilibrium – Physics | Lecturio

A composite disc is made out of two concentric cylinders, as shown. The inner cylinder has radius 30 cm. The outer cylinder has radius 50 cm. If you pull on a light rope attached to the edge of the outer cylinder (shown left) with 100 N, how hard must you pull on a light rope attached to the edge of the inner cylinder (shown right) so the disc does not spin?<img src="https://cdn.clutchprep.com/problem_images/76034-e1d2a29696c6e53e.png"alt=""/>

Physics - Mechanics: Torque (1 of 7)  Mass on Rod and Cable

Balancing a bar with a force

Anderson Video - Balanced Beam

Rathkeale Physics - Torque Equilibrium 2

Physics, Torque (10 of 13) Static Equilibrium, Hanging Sign at an Angle No. 4

Solving Torque Problems.wmv

Suppose that you can lift no more than 650 N (around 150 lb) unaided. <img src="https://lightcat-files.s3.amazonaws.com/problem_images/cc23c2c948666fc8-1675288547172.jpg" alt="" /> (a) How much can you lift using a 1.4-m-long wheelbarrow that weighs 80.0 N and whose center of gravity is 0.50 m from the center of the wheel (Fig. E11.16)? The cen-ter of gravity of the load car-ried in the wheelbarrow is also 0.50 m from the center of the wheel. (b) Where does the force come from to enable you to lift more than 650 N using the wheelbarrow?<img class="fr-dib" src="https://lightcat-files.s3.amazonaws.com/problem_images/a3dde065e226f169-1678284646632.jpg" style="width: 201px;">

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