The crane shown in the figure is lifting a 425-kg crate upward with an acceleration of 1.08 m/s². The cable from the crate passes over a solid cylindrical pulley at the top of the boom. The pulley has a mass of 155 kg. The cable is then wound onto a hollow cylindrical drum that is mounted on the deck of the crane. The mass of the drum is 228 kg, and its radius (the same as that of the pulley) is 0.419 m. The engine applies a counterclockwise torque to the drum in order to wind up the cable. What is the magnitude of this torque? Ignore the mass of the cable. Pulley- Drum Boom FEE Number i 1939.24 Units N-m A 1340-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam. Using the data shown in the figure, find (a) the magnitude of the tension in the wire and the magnitudes of the (b) horizontal and (c) vertical components of the force that the wall exerts on the left end of the beam. 50.0% Beam 30.0 (a) Number i 2973.26 Units N (b) Number i 1911.17 Units N 1960 N (c) Number i 1022.35 Units N A > >
The crane shown in the figure is lifting a 425-kg crate upward with an acceleration of 1.08 m/s². The cable from the crate passes over a solid cylindrical pulley at the top of the boom. The pulley has a mass of 155 kg. The cable is then wound onto a hollow cylindrical drum that is mounted on the deck of the crane. The mass of the drum is 228 kg, and its radius (the same as that of the pulley) is 0.419 m. The engine applies a counterclockwise torque to the drum in order to wind up the cable. What is the magnitude of this torque? Ignore the mass of the cable. Pulley- Drum Boom FEE Number i 1939.24 Units N-m A 1340-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam. Using the data shown in the figure, find (a) the magnitude of the tension in the wire and the magnitudes of the (b) horizontal and (c) vertical components of the force that the wall exerts on the left end of the beam. 50.0% Beam 30.0 (a) Number i 2973.26 Units N (b) Number i 1911.17 Units N 1960 N (c) Number i 1022.35 Units N A > >
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 32P
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